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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.
| 3501. |
Atoms of most elements are not able to exist independently. Why? |
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Answer» Atoms of most elements are not able to exist independently. Why? |
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| 3502. |
40 mL of a 20 M HCl solution is diluted to 5 L. What is the final normality of HCl solution? |
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Answer» 40 mL of a 20 M HCl solution is diluted to 5 L. What is the final normality of HCl solution? |
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| 3503. |
Which of the two diffuses faster : a liquid or a gas ? |
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Answer» Which of the two diffuses faster : a liquid or a gas ? |
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| 3504. |
Fill in the blank with the correct collocation. The attendants _______ his bed while he was away. |
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Answer» Fill in the blank with the correct collocation. The attendants _______ his bed while he was away. |
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| 3505. |
what is mean by molar mass? |
| Answer» what is mean by molar mass? | |
| 3506. |
Which of the following is not an amphoteric oxide? |
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Answer» Which of the following is not an amphoteric oxide? |
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| 3507. |
At which of the following places will evaporation be faster? |
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Answer» At which of the following places will evaporation be faster? |
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| 3508. |
75.If photon having wavelength lamda =6.2nm was allowed to strike a metal plate having workfunction 50ev ,then calculate wavelength associated with emitted electrons .Options:A)1 into 10-10m B)2 into 10 to the power -10m. C)3 into 10 to the power -18 D)4 into 10 to the power -14 |
| Answer» 75.If photon having wavelength lamda =6.2nm was allowed to strike a metal plate having workfunction 50ev ,then calculate wavelength associated with emitted electrons .Options:A)1 into 10-10m B)2 into 10 to the power -10m. C)3 into 10 to the power -18 D)4 into 10 to the power -14 | |
| 3509. |
Which statement regarding the effect of humidity on evaporation is correct? |
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Answer» Which statement regarding the effect of humidity on evaporation is correct? |
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| 3510. |
1.Solubility of a solute in water is dependent on temperature as given by S = AeΔ H/RT where Δ H = heat of solution solute + H2O() Image not present solution Δ H = \pm x For a given solution variation of log S with temperature is shown graphically. Hence solute is :- (1) CuSO4 5H2O (2) NaCl (3) Sucrose (4) CaO |
| Answer» 1.Solubility of a solute in water is dependent on temperature as given by S = AeΔ H/RT where Δ H = heat of solution solute + H2O() Image not present solution Δ H = \pm x For a given solution variation of log S with temperature is shown graphically. Hence solute is :- (1) CuSO4 5H2O (2) NaCl (3) Sucrose (4) CaO | |
| 3511. |
Statement 1: Fake diamonds are identified easily using the thermal property of diamonds. Statement 2: Diamond has five times more thermal conductivity than copper. |
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Answer» Statement 1: Fake diamonds are identified easily using the thermal property of diamonds. Statement 2: Diamond has five times more thermal conductivity than copper. |
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| 3512. |
Define 'molecular mass' of a substance. |
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Answer» Define 'molecular mass' of a substance. |
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| 3513. |
The absolute zero is the temperature at which ____ |
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Answer» The absolute zero is the temperature at which ____ |
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| 3514. |
4. how many grams of carbon dioxide will be formed when 100 gram of Ch 4 is burnt in oxygen |
| Answer» 4. how many grams of carbon dioxide will be formed when 100 gram of Ch 4 is burnt in oxygen | |
| 3515. |
A compound is formed by atoms of elements A occupying the corners of the unit cell and an atom of element B present at the center of the unit cell. Deduce the formula of the compound. |
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Answer» A compound is formed by atoms of elements A occupying the corners of the unit cell and an atom of element B present at the center of the unit cell. Deduce the formula of the compound. |
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| 3516. |
The figure shows an artefact made of brass. What is brass? |
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Answer» The figure shows an artefact made of brass. What is brass?
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| 3517. |
what is mediating particle? ch physical world |
| Answer» what is mediating particle? ch physical world | |
| 3518. |
1)light scattering in colloidal particles is visible with the help of naked eye -true/false 2)Do suspensions scatter light through tyndall effect? 3)how can we seperate salt from sugar? 4)how can we seperate sugar from salt? |
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Answer» 1)light scattering in colloidal particles is visible with the help of naked eye -true/false 2)Do suspensions scatter light through tyndall effect? 3)how can we seperate salt from sugar? 4)how can we seperate sugar from salt? |
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| 3519. |
How to differentiate trigonal, hexagonal and rhombohedral in bravias lattice |
| Answer» How to differentiate trigonal, hexagonal and rhombohedral in bravias lattice | |
| 3520. |
The following images depict __________ changes. |
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Answer» The following images depict __________ changes. |
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| 3521. |
What is meant by acid rain? |
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Answer» What is meant by acid rain? |
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| 3522. |
the density of vapours of a subs†an ce of molar gas 18 g at 1 atm pressure and 500K is 0.36 kg/m .value of Z for vapour |
| Answer» the density of vapours of a subs†an ce of molar gas 18 g at 1 atm pressure and 500K is 0.36 kg/m .value of Z for vapour | |
| 3523. |
Which one of the following element exists as monoatomic molecule? |
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Answer» Which one of the following element exists as monoatomic molecule? |
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| 3524. |
7. the boiling temperature and composition curve of water ethanol solution is given. 8.3 the mixture has ethanol 95.8% by weight in vapour phase. If this solution is boiled at 78.13 degree Celsius, then percentage by weight of water in liquid phase is( boiling temperature is equal to 78.13) |
| Answer» 7. the boiling temperature and composition curve of water ethanol solution is given. 8.3 the mixture has ethanol 95.8% by weight in vapour phase. If this solution is boiled at 78.13 degree Celsius, then percentage by weight of water in liquid phase is( boiling temperature is equal to 78.13) | |
| 3525. |
Average intensity of sunlight on the Earth surface is 1400 Wn2 . How much pressure it exerts on the Earth surface?(neglect brqckets mis typed2(1,78 22), (A) 4.67 x 10-10 Nm2 (B) 4.67 x 106Nm-2 (C) 4.67 Nm2 (D) 4.67 x 106 Nm-2 |
| Answer» Average intensity of sunlight on the Earth surface is 1400 Wn2 . How much pressure it exerts on the Earth surface?(neglect brqckets mis typed2(1,78 22), (A) 4.67 x 10-10 Nm2 (B) 4.67 x 106Nm-2 (C) 4.67 Nm2 (D) 4.67 x 106 Nm-2 | |
| 3526. |
State whether the following statements are true or false : (a) Bread is an example of solid foam (b) Sponge is an example of solid sol. |
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Answer» State whether the following statements are true or false : (a) Bread is an example of solid foam (b) Sponge is an example of solid sol.
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| 3527. |
Arrange the following substancse in increasing order of force of attraction between their particles (keeping WAter, Sugar, Oxygen) |
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Answer» Arrange the following substancse in increasing order of force of attraction between their particles (keeping WAter, Sugar, Oxygen) |
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| 3528. |
42.For atomic nuclie the binding energy per nucleon (1) inc. continuously with inc. in mass no. (2) dec. continuously with dec. in mass no. (3) remain contant with inc. in mass no. (4)first inx. and then dec. with inc. in mass no. |
| Answer» 42.For atomic nuclie the binding energy per nucleon (1) inc. continuously with inc. in mass no. (2) dec. continuously with dec. in mass no. (3) remain contant with inc. in mass no. (4)first inx. and then dec. with inc. in mass no. | |
| 3529. |
At atmospheric pressure, the boiling point of water is 100∘C. What would be the boiling temperature on the Fahrenheit scale? |
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Answer» At atmospheric pressure, the boiling point of water is 100∘C. What would be the boiling temperature on the Fahrenheit scale? |
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| 3530. |
What is the oxidation number of the central metal atom in the coordination compound [Pt(NH3)3Cl]Cl? |
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Answer» What is the oxidation number of the central metal atom in the coordination compound [Pt(NH3)3Cl]Cl? |
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| 3531. |
Which acid is present in an ant sting? |
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Answer» Which acid is present in an ant sting? |
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| 3532. |
What is the difference between anode and cathode rays? |
| Answer» What is the difference between anode and cathode rays? | |
| 3533. |
Identify the process taking place in images shown and determine what helps the process to happen. |
Answer» Identify the process taking place in images shown and determine what helps the process to happen. |
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| 3534. |
Define the following terms.. * Compressibility * Fluidity * Kinetic energy * Diffusion |
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Answer» Define the following terms.. * Compressibility * Fluidity * Kinetic energy * Diffusion |
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| 3535. |
Why does steam cause more severe burns than boiling water ? |
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Answer» Why does steam cause more severe burns than boiling water ? |
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| 3536. |
34. if the ser has two elements that the difference between the number of subsets of its power set and number of subsets are |
| Answer» 34. if the ser has two elements that the difference between the number of subsets of its power set and number of subsets are | |
| 3537. |
How does emulsifying agent stabilized emulsion. |
| Answer» How does emulsifying agent stabilized emulsion. | |
| 3538. |
In the absence of water it is unable to explain acidic and basic character of substance this is a limitation of Arrhenius theory of acids and base this limitation was removed by which theory |
| Answer» In the absence of water it is unable to explain acidic and basic character of substance this is a limitation of Arrhenius theory of acids and base this limitation was removed by which theory | |
| 3539. |
How can we separate salt from salt solution? |
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Answer» How can we separate salt from salt solution? |
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| 3540. |
3. The temperature of 2.5 L of a gas initially at STP is raised to 250C at constant volume .what will be final pressure of the gas? |
| Answer» 3. The temperature of 2.5 L of a gas initially at STP is raised to 250C at constant volume .what will be final pressure of the gas? | |
| 3541. |
Is the maximum no of unidentate ligands that can bond to a central atom equal to its secondary valence ? |
| Answer» Is the maximum no of unidentate ligands that can bond to a central atom equal to its secondary valence ? | |
| 3542. |
Which of the following statements is correct for the boiling point of solvent containing a dissolved solid substance ? |
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Answer» Which of the following statements is correct for the boiling point of solvent containing a dissolved solid substance ? |
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| 3543. |
41. A galvanic cell is composed of two hydrogen electrode, one of which is a standard one . In which of the following solutions should the other elctrode be immersed to get maximum emf- 1)0.1 M HCL 2)0.1 M CH3COOH 3)0.1 M H3PO4 4) 0.1 M H2SO4 |
| Answer» 41. A galvanic cell is composed of two hydrogen electrode, one of which is a standard one . In which of the following solutions should the other elctrode be immersed to get maximum emf- 1)0.1 M HCL 2)0.1 M CH3COOH 3)0.1 M H3PO4 4) 0.1 M H2SO4 | |
| 3544. |
What is positive kernels |
| Answer» What is positive kernels | |
| 3545. |
Question 5 (d)State the following statement is True or False:Coal tar is a mixture of various substances. |
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Answer» Question 5 (d) State the following statement is True or False: Coal tar is a mixture of various substances. |
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| 3546. |
what are the changes of state in water explain detail???????? |
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Answer» what are the changes of state in water explain detail???????? |
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| 3547. |
Definition of a coloidal solutions |
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Answer» Definition of a coloidal solutions |
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| 3548. |
How we can separate drugs from blood |
| Answer» How we can separate drugs from blood | |
| 3549. |
What is the oxidation states of C5,Fe3,Cl2,Br3,H2 in the compounds Na2S2O3,C5O5,Fe3O4, CaOCl2,Br3O8,H2S2O8? |
| Answer» What is the oxidation states of C5,Fe3,Cl2,Br3,H2 in the compounds Na2S2O3,C5O5,Fe3O4, CaOCl2,Br3O8,H2S2O8? | |
| 3550. |
Select proper word given in bracket and fill in the blanks.a.Main constituent of acid is......................b.Main constituent of alkali is...................c.Tartaric acid is a................ acid. |
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Answer» Select proper word given in bracket and fill in the blanks. a.Main constituent of acid is...................... b.Main constituent of alkali is................... c.Tartaric acid is a................ acid. |
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