InterviewSolution
Saved Bookmarks
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.
| 151. |
The organic detergent that is used in hair conditioners is:A. Sodium dodecylbenzene sulphonateB. Sodium laury sulphateC. Tetramethyl ammonium chlorideD. Cetyltrimethyl ammoniulm bromide |
| Answer» Correct Answer - D | |
| 152. |
A synthetic detergent is aA. Cleansing agentB. DrugC. CataclystD. Soap |
|
Answer» Correct Answer - A A detergent is a cleansing agent. |
|
| 153. |
Structurally biodegradable detergent should contain :A. Normal alkyl chainB. Branch alkyl chainC. Phenyl side chainD. Cyclohexyl side chain |
|
Answer» Correct Answer - A Straight chain alkyl group detergents are biodegradable. |
|
| 154. |
Substances used in bringing down the body temperature in high fevers are called :A. pyreticsB. AntipyreticC. antibioticsD. Antiseptic |
|
Answer» Correct Answer - B Antipyretics are used to bring down the temperature in high fever. |
|
| 155. |
A substance which can act both as an antiseptic and disinfectant is :A. AspirinB. chloroxylenolC. bithionalD. phenol |
|
Answer» Correct Answer - D Phenol can act both as an antiseptic (0.2%) as well as a disinfectant (1%) |
|
| 156. |
Proteins can be denatured byA. Carbon dioxideB. Carbon monoxideC. HeatD. Oxygen |
|
Answer» Correct Answer - C Proteins can be denatured by heat. |
|
| 157. |
The artificial sweetner containing chlorine that has the appearance and taste as that of sugar and is stable at cooking temperature isA. AspartameB. SaccharinC. SacroloseD. Alitame |
| Answer» Correct Answer - C | |
| 158. |
The main products of the reaction between `C_6 H_5 CHO` and formaldehyde in 50% NaOH areA. Benzyl alcohol and sodium formateB. Benzene and HCOONaC. CH(3)OH and sodium benzoateD. Benzoin |
|
Answer» Correct Answer - A Cannziro reaction `C_(6)H_(5)CHO+HCHO overset(NaOH)to` `C_(6)H_(5)CH_(2)OH+HCO O Na` |
|
| 159. |
Which of the following acts as an antioxidant in edible oils?A. Vitamin BB. Vitamin CC. Vitamin DD. Vitamin E |
|
Answer» Correct Answer - D Vitamin E is an antioxidant present in edible oils. |
|
| 160. |
Which of the following medicines is required against malaria?A. AspirinB. PenicillinC. ChloroquineD. disinfectant |
|
Answer» Correct Answer - C Chloroquine is used against malaria. |
|
| 161. |
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. ChloramhenicolD. None of these |
| Answer» Correct Answer - B | |
| 162. |
Which of the following term means pain killing?A. AntibioticB. AnalgesicC. AntipyreticD. penicillin |
|
Answer» Correct Answer - B Analgesic means pain killer. |
|
| 163. |
Alum is used by dyers of clothA. for fire proofing fabricsB. as water purifierC. for softening hard waterD. as mordant |
|
Answer» Correct Answer - D See mordant dyes. |
|
| 164. |
Peptide linkage is present inA. ProteinsB. PolypeptidesC. BothD. None |
| Answer» Correct Answer - C | |