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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
Which of the following are used as antihistamines?A. AspirinB. ZantacC. PromethazineD. Cimetidine |
| Answer» Correct Answer - B::C::D | |
| 52. |
Which of the following is a difference between thermoplastic and thermosetting plastics ?A. Thermoplastics can be processed repeatedly.B. Thermosetting plastics cannot be softened by heating .C. Thermoplastics do not undergo chemical change on heating.D. All the above. |
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Answer» Correct Answer - D Thermoplastic can be processed repeatedly, can be softened by heating and do not undergo any chemical change on heating. |
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| 53. |
The metals with the least tensile strength isA. ironB. aluminiumC. zincD. copper |
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Answer» Correct Answer - C Zinc is non-malleable and non-ductile hence it has the least tensile strength. |
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| 54. |
Which of the following compounds/alloys of silicon in used in grinding wheel and which property of that substance is exploited ?A. Silicon carbide because it is the hardest substance.B. Ferrosilicon because it is resistant to friction.C. Sodium silicate because it becomes impervious when heated strongly.D. Silicon dioxide because it is resistant to chemicals. |
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Answer» Correct Answer - A Silicon carbide is used in grinding wheels because it is the hardest substance. |
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| 55. |
Which of the following is a thermosetting plastic ?A. PolyethyleneB. NylonC. TerelyneD. Bakelite |
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Answer» Correct Answer - D Bakelite is a thermosetting plastic. |
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| 56. |
Graphite is used in the manufacture of crucibles where a small quantity of metals can be melted. It is also used as electrodes. Which of the following properties of graphite is not exploited in these two given applications?A. Highly resistance to chemicalsB. Soft natureC. High melting pointD. Good electrical conductivity. |
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Answer» Correct Answer - B Graphite is soft,but this property is not exploited in the given applications. |
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| 57. |
Which of the following substances does not form a curdy precipitate when it is added to hard water ?A. Potassium salt of fatty acid.B. Sodium salt of fatty acid.C. sodium lauryl sulphate.D. None of the above. |
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Answer» Correct Answer - C Sodium lauryl sulphate does not form a curdy precipitate in hard water. |
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| 58. |
Three naturally occurring elements X,Y and Z are good conductors of electricity and are very precious. Z is more reactive than X and Y and on exposure to air for a long time turns black. Z forms an alloy with Y and is used in jewellery and X is used as a catalyst. Identify X , Y and Z. |
| Answer» Three precious elements that occur nature are silver, gold and platinum. Silver is more reactive than gold and platinum is used as a catalyst. Alloy of gold with silver is used in jewellery. So X is platinum, Y is gold and Z si silver. | |
| 59. |
Assertion (A) : Gold is used for making jewellery coins. Reason (R) : It is relatively hard metal.A. Both (A) and (R) are true and (R) is the correct reason of (A).B. Both (A) and (R) are true but (R) is not the correct explanation of (A).C. (A) is true but (R) is false.D. (A) is false but (R) is true. |
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Answer» Correct Answer - C Gold is used for making jewellery conis as gold possesses a yellow lustre, is malleable, ductile, soft and highly resistant to chemicals. |
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| 60. |
Assertion (A) : Gold is used for making jewellery coins. Reason (R) : It is relatively hard metal.A. Both (A) and (R) are true and (R) is the correct reason of (A).B. Both (A) and (R) are true but (R) is not the correct explanation of (A).C. (A) is true but (R) is false.D. (A) is false but (R) true. |
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Answer» Correct Answer - C Gold is used for making jewellery coins as gold possesses a yellow lusture , is malleable, ductile, soft and highly resistant to chemicals. |
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| 61. |
Which of the following substances does not form a curdy precipitate when it is added to hard water?A. Potassium salt of fatty acid.B. Sodium salt of fatty acid.C. sodium lauryl sulphate.D. None of the above. |
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Answer» Correct Answer - C Sodium lauryl sulphate does not form a curdy precipitate in hard water. |
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| 62. |
Among the following organic acids, the acid present in rancid butter is :A. pyruvic acidB. lactic acidC. butyric acidD. acetic acid |
| Answer» Correct Answer - C | |
| 63. |
Xenon and krypton is used in electric bulbs to slow down the __________ of tungsten. |
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Answer» Correct Answer - Sublimation Sublimation Xenon and krypton is used in electric bulbs to slow down the sublimation of tungsten. |
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| 64. |
Which of the following fertilizers cannot replenish nitrogen?A. Super phosphate of lime (calcium dihydrogen phosphate with gypsum)B. NitreC. Ammonium sulphateD. Triammonium phosphate |
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Answer» Correct Answer - A Superphosphate of lime cannot provide nitrogen. |
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| 65. |
(i) Name the inert gas which is used for filling weather observation balloons. (ii) Why is Radon used in cancer treatment ? (iii) Why is an alloy of tin and lead used in the manufacture of fuse wire? (iv) Name the gas which is used in advartising sign boards. (v) Why is argon used in filling electric bulbs? |
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Answer» (i) Helium (ii) Radon is radioactive element. (iii) Tin and lead have lower melting points than other merals. (iv) Neon (v) Argon is filled in electric bulbs to improve the efficiency of bulb by preventing oxidation of tungsten filament. |
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| 66. |
Arrange the compounds in sequence of increasing number of oxygen atoms. (a) Suger (b) Plaster of pairs (c) Starch (d) GlucoseA. abdcB. bdacC. bcadD. bcda |
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Answer» Correct Answer - B (i) Plaster of Paris (ii) Glucose (iii) Sugar (iv) Starch |
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| 67. |
Arrange the given compounds in the increasing order of carbon atoms present in the compounds (a) Methane (b) Suger (c) Glucose (d) StarchA. b c d aB. c a b dC. a c b dD. b d a c |
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Answer» Correct Answer - C (a) Methane (c) Glucose (b) Sugar (d) Starch |
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| 68. |
Mention the appropriate term corresponding to the following sentences. (i) A solution obtained by passing carbon dioxide through sugar solution flavoured with desired substances. (ii) A substance formed by highly concentrated sugar solution flavoured with desired substances. (iii) A hard mass resembles the Portland rock used by the people for the construction of building . (iv) The hardest compound of silicon, used in all kinds of grinding wheels. (v) A complex organic compound used as food, helps in development of cells , growth of the new cells and repair of damaged cells. |
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Answer» (i) Soft drinks (ii) Syrups (iii) Portland cement (iv) Silicon carbide (v) Proteins |
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| 69. |
Which of the following food items provides the maximum energy ?A. Vegetable oilB. GlucoseC. CerealsD. Pulses |
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Answer» Correct Answer - A Vegetable oil is a fat and it provides the maximum energy. |
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| 70. |
Though fat provides the maximum amount of energy, it forms a minor part of our diet while a large part of diet contains carbohydrates? |
| Answer» Both fats and carbohydrates are energy giving food nutrients and both contain carbon, hydrogen and oxygen, but the molecular structure of fat is more complex than that of carbohydrates. Carbohydrates breaks down to form carbon dioxide and water and water and releases energy. Combustion of fat takes a long period of time and hence carbohydrates are preferable to fats. Fats are considered as reservoirs of energy while carbohydrates serve serve as instant source of energy. | |
| 71. |
The use of chemicals for treatment of diseases is called as :A. homoeotherapyB. isothermotherapyC. chemotherapyD. chemotherapy |
| Answer» Correct Answer - D | |
| 72. |
Tranquillizers are substances used for the treatment of :A. cancerB. AIDSC. mental diseasesD. physical disorders |
| Answer» Correct Answer - C | |
| 73. |
The detergent which is used as a germicide is :A. sodium lauryl sulphateB. cetyltrimethylammonium chlorideC. lauryl alcohol ethoxylateD. sodium-2-dodecylbenzenesulphonate |
| Answer» Correct Answer - B | |
| 74. |
Which detergent can cause maximum pollution?A. `CH_(3)CH(C_(4)H_(9))-CH_(2)CH_(2)CH(C_(4)H_(9))(CH_(2))_(3)CH(C_(4)H_(9))CH_(2)CH_(2)SO_(3)Na`B. C. D. Detergents are always pollution free |
| Answer» Correct Answer - A | |
| 75. |
The compound is used as :A. antisepticB. antibioticC. analgesicD. pesticide |
| Answer» Correct Answer - C | |
| 76. |
Methyl orange is an example of :A. acid dyeB. azo dyeC. mordant dyeD. both (a) and (b) |
| Answer» Correct Answer - D | |
| 77. |
Select the detergent that is used to prepare cosmetics.A. Cetyltrimethylammonium chlorideB. LASC. ADBSD. Polyethylene glycol |
| Answer» Correct Answer - A | |
| 78. |
Aspirin is known as :A. acetyl salicylic acidB. phenyl salicylateC. acetyl salicylateD. methyl salicylic acid |
| Answer» Correct Answer - A | |
| 79. |
Aspirin is :A. acetylsalicylic acidB. 2-methoxybenzoic acidC. acetyloxalic acidD. methylbenzoic acid |
| Answer» Correct Answer - A | |
| 80. |
Aspirin is an acetylation product of :A. p-dihydroxybenzeneB. o-hydroxybenzoic acidC. o-dihydroxybenzeneD. m-hydroxybenzoic acid |
| Answer» Correct Answer - B | |
| 81. |
Barbiturates are used as :A. analgesicsB. food preservativesC. antipyreticsD. tranquillizers |
| Answer» Correct Answer - D | |
| 82. |
Which set has different class of compounds?A. Tranquillizers : Equanil, heroin, valiumB. Antiseptics : Bithional, dettol, boric acidC. Analgesics : Naproxen, morphine, aspirinD. Bactericidal : Penicillin, aminoglycosides, ofloxacin |
| Answer» Correct Answer - A | |
| 83. |
Which of the following artificial sweetening agents is the least sweet?A. DulcinB. SucraloseC. AspartameD. Alitame |
| Answer» Correct Answer - C | |
| 84. |
The chemicals used to treat diseases and to reduce the suffering from pain are known as drugs or medicines. The chemicals used in chemotherapy are classified according to their action. For example antipyretics are medicines used to lower the body temperature in high fever. The examples of antipyretics are para ethoxy acetamide and analgin. Analgesics are medicines which relieve pain. They are of two types. (i) Narcotics are medicines which relieve pain by producing sleep and unconsciousness. They are morphine, morphine diacetate (heroin) and codeine. They are habit forming (ii) None narcotic analgesics are not habit forming and do not usually induce sleep. They are aspirin, brufen and butazolidine. Antiseptics are medicines which kill or prevent the growth of micro-organisms. Antiseptics are also used to reduce odours arising out of bacterial decomposition on the surface of the body. They are 2% solution of phenol, dettol (a solution of terpineol and chloro-xylenol) savlon, bithional etc. Tranquillizers are medicine used to relieve mental tension and an anxiety. They act on the nervous system and induce sleep. They may antidepressants (to elevate mood) such as methedrine and vitalin, sedatives (relieve mental agitation and violence) such as diazopam, seconal, luminal and equanil. Antibiotics are medicines produced by micro-organisms such as fungi, bacteria and moulds and are used to kill other microorganisms. They are penicillin (Treat sore throat, bronchitis, pneumonia), streptomycin (active aginst tuberclosis, chloramphenicol treat typhoid, acute fever, urinary infection. Which of the following is antipyretic?A. PhenacetinB. LuminalC. SeconalD. Equanil |
| Answer» Correct Answer - A | |
| 85. |
The chemicals used to treat diseases and to reduce the suffering from pain are known as drugs or medicines. The chemicals used in chemotherapy are classified according to their action. For example antipyretics are medicines used to lower the body temperature in high fever. The examples of antipyretics are para ethoxy acetamide and analgin. Analgesics are medicines which relieve pain. They are of two types. (i) Narcotics are medicines which relieve pain by producing sleep and unconsciousness. They are morphine, morphine diacetate (heroin) and codeine. They are habit forming (ii) None narcotic analgesics are not habit forming and do not usually induce sleep. They are aspirin, brufen and butazolidine. Antiseptics are medicines which kill or prevent the growth of micro-organisms. Antiseptics are also used to reduce odours arising out of bacterial decomposition on the surface of the body. They are 2% solution of phenol, dettol (a solution of terpineol and chloro-xylenol) savlon, bithional etc. Tranquillizers are medicine used to relieve mental tension and an anxiety. They act on the nervous system and induce sleep. They may antidepressants (to elevate mood) such as methedrine and vitalin, sedatives (relieve mental agitation and violence) such as diazopam, seconal, luminal and equanil. Antibiotics are medicines produced by micro-organisms such as fungi, bacteria and moulds and are used to kill other microorganisms. They are penicillin (Treat sore throat, bronchitis, pneumonia), streptomycin (active aginst tuberclosis, chloramphenicol treat typhoid, acute fever, urinary infection. Medicine which is antibiotic is :A. AspirinB. CalmposeC. ChloroquineD. ampicillin |
| Answer» Correct Answer - D | |
| 86. |
The chemicals used to treat diseases and to reduce the suffering from pain are known as drugs or medicines. The chemicals used in chemotherapy are classified according to their action. For example antipyretics are medicines used to lower the body temperature in high fever. The examples of antipyretics are para ethoxy acetamide and analgin. Analgesics are medicines which relieve pain. They are of two types. (i) Narcotics are medicines which relieve pain by producing sleep and unconsciousness. They are morphine, morphine diacetate (heroin) and codeine. They are habit forming (ii) None narcotic analgesics are not habit forming and do not usually induce sleep. They are aspirin, brufen and butazolidine. Antiseptics are medicines which kill or prevent the growth of micro-organisms. Antiseptics are also used to reduce odours arising out of bacterial decomposition on the surface of the body. They are 2% solution of phenol, dettol (a solution of terpineol and chloro-xylenol) savlon, bithional etc. Tranquillizers are medicine used to relieve mental tension and an anxiety. They act on the nervous system and induce sleep. They may antidepressants (to elevate mood) such as methedrine and vitalin, sedatives (relieve mental agitation and violence) such as diazopam, seconal, luminal and equanil. Antibiotics are medicines produced by micro-organisms such as fungi, bacteria and moulds and are used to kill other microorganisms. They are penicillin (Treat sore throat, bronchitis, pneumonia), streptomycin (active aginst tuberclosis, chloramphenicol treat typhoid, acute fever, urinary infection. The drug mathedrine belongs to the class of :A. antipyreticsB. antidepressantC. sedativeD. lynotic |
| Answer» Correct Answer - B | |
| 87. |
The chemicals used to treat diseases and to reduce the suffering from pain are known as drugs or medicines. The chemicals used in chemotherapy are classified according to their action. For example antipyretics are medicines used to lower the body temperature in high fever. The examples of antipyretics are para ethoxy acetamide and analgin. Analgesics are medicines which relieve pain. They are of two types. (i) Narcotics are medicines which relieve pain by producing sleep and unconsciousness. They are morphine, morphine diacetate (heroin) and codeine. They are habit forming (ii) None narcotic analgesics are not habit forming and do not usually induce sleep. They are aspirin, brufen and butazolidine. Antiseptics are medicines which kill or prevent the growth of micro-organisms. Antiseptics are also used to reduce odours arising out of bacterial decomposition on the surface of the body. They are 2% solution of phenol, dettol (a solution of terpineol and chloro-xylenol) savlon, bithional etc. Tranquillizers are medicine used to relieve mental tension and an anxiety. They act on the nervous system and induce sleep. They may antidepressants (to elevate mood) such as methedrine and vitalin, sedatives (relieve mental agitation and violence) such as diazopam, seconal, luminal and equanil. Antibiotics are medicines produced by micro-organisms such as fungi, bacteria and moulds and are used to kill other microorganisms. They are penicillin (Treat sore throat, bronchitis, pneumonia), streptomycin (active aginst tuberclosis, chloramphenicol treat typhoid, acute fever, urinary infection. Antiseptic action of dettol is due to :A. CyclohexanolB. ChloroxylenolC. ChloramphenicolD. None of these |
| Answer» Correct Answer - B | |
| 88. |
Which of the following antibiotic contains `NO_(2)` group attached to aromatic nucleus in its structure?A. PenicillinB. streptomycinC. ChloramphenicolD. All of these |
| Answer» Correct Answer - C | |
| 89. |
The structure given below is known as : A. penicillin-FB. penicillin-GC. penicillin-KD. ampicillin |
| Answer» Correct Answer - B | |
| 90. |
An ester used as medicine is :A. ethyl acetateB. methyl acetateC. methyl salicylateD. ethyl benzoate |
| Answer» Correct Answer - C | |
| 91. |
The chemicals used to treat diseases and to reduce the suffering from pain are known as drugs or medicines. The chemicals used in chemotherapy are classified according to their action. For example antipyretics are medicines used to lower the body temperature in high fever. The examples of antipyretics are para ethoxy acetamide and analgin. Analgesics are medicines which relieve pain. They are of two types. (i) Narcotics are medicines which relieve pain by producing sleep and unconsciousness. They are morphine, morphine diacetate (heroin) and codeine. They are habit forming (ii) None narcotic analgesics are not habit forming and do not usually induce sleep. They are aspirin, brufen and butazolidine. Antiseptics are medicines which kill or prevent the growth of micro-organisms. Antiseptics are also used to reduce odours arising out of bacterial decomposition on the surface of the body. They are 2% solution of phenol, dettol (a solution of terpineol and chloro-xylenol) savlon, bithional etc. Tranquillizers are medicine used to relieve mental tension and an anxiety. They act on the nervous system and induce sleep. They may antidepressants (to elevate mood) such as methedrine and vitalin, sedatives (relieve mental agitation and violence) such as diazopam, seconal, luminal and equanil. Antibiotics are medicines produced by micro-organisms such as fungi, bacteria and moulds and are used to kill other microorganisms. They are penicillin (Treat sore throat, bronchitis, pneumonia), streptomycin (active aginst tuberclosis, chloramphenicol treat typhoid, acute fever, urinary infection. Which of the following statements is false ?A. Some disinfectants can be used as antiseptics in lower concentrationsB. Sulphadiazine is a synthetic antibacterialC. Ampicillin is a natural antibioticD. Aspirin is both analgesics and antipyretic |
| Answer» Correct Answer - C | |
| 92. |
Soaps are the detergents used since long. Soaps used for cleansing purpose are sodium or potassium salts of long chain fatty acids such as stearic acid, palmitic acid. These cannot be used with hard water. Synthetic detergents are cleansing agents which have all the properties of soap but which actually do not contain any soap. These can be used both in soft water and hard water as they give foam even in hard water. Which is not true for a detergent molecule ?A. It has a non polar organic part and a polar groupB. It has a surface active reagentC. It is a sodium salt of a fatty acidD. It is not easily biodegraded |
| Answer» Correct Answer - C | |
| 93. |
The correct structure of the paracetamol is :A. B. C. D. |
| Answer» Correct Answer - B | |
| 94. |
Soaps are the detergents used since long. Soaps used for cleansing purpose are sodium or potassium salts of long chain fatty acids such as stearic acid, palmitic acid. These cannot be used with hard water. Synthetic detergents are cleansing agents which have all the properties of soap but which actually do not contain any soap. These can be used both in soft water and hard water as they give foam even in hard water. Which of the following is called invert soap?A. Sodium stearateB. Cetyl trimethyl ammonium bromideC. Sodium lauryl sulphateD. Tetraethyl ammonium chloride |
| Answer» Correct Answer - B | |
| 95. |
Soaps are the detergents used since long. Soaps used for cleansing purpose are sodium or potassium salts of long chain fatty acids such as stearic acid, palmitic acid. These cannot be used with hard water. Synthetic detergents are cleansing agents which have all the properties of soap but which actually do not contain any soap. These can be used both in soft water and hard water as they give foam even in hard water. Which one of the following is not a surfactant?A. `"3 2 5"underset(CH_(3))underset(|)overset(CH_(3))overset(|)(+)3`B. `CH_(3)(CH_(2))_(4)CH_(2)NH_(2)`C. `CH_(3)-(CH_(2))_(16)CH_(2)OSO_(2)^(-)Na^(+)`D. `OHC-(CH_(2))_(4)CH_(2)COO^(-)Na^(+)` |
| Answer» Correct Answer - B | |
| 96. |
The following compound is used as : A. an anti-inflammatory compoundB. analgesicC. antipyriticD. antimalaric |
| Answer» Correct Answer - B | |
| 97. |
Which of the following is a basic dye?A. Alizarin Phthalein dyeB. ParacetamolC. Aniline yellowD. Orange-I |
| Answer» Correct Answer - C | |
| 98. |
Paracetamol is/are :A. both antipyritic and analgesicB. analgesicC. antipyriticD. antimalaric |
| Answer» Correct Answer - A | |
| 99. |
Acetoxybenzoic acid is :A. antisepticsB. aspirinC. antibioticsD. mordant dye |
| Answer» Correct Answer - B | |
| 100. |
Which of the following can possibly be used as analgesic without causing addiction and any modification ?A. MorphineB. N-AcetylparaaminophenolC. DiazapamD. Tetrahydrocatenol |
| Answer» Correct Answer - B | |