Practice MCQ Questions and answers on Chemistry-GK Page-2 section-12

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12

11.
0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by

A. 3

B. 4

C. 6

D. 7

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12.
Which of the following methods is used in determining the number average molar mass of a macromolecule?

A. Viscosity

B. Osmotic pressure

C. Sedimentation equilibrium

D. Light scattering

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13.
Molality of pure water is

A. 18.00

B. 1.80

C. 5.55

D. 55.5

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14.
A solution is

A. A homogeneous mixture of two or more substances

B. A solid dissolved in a liquid

C. A solid dissolved i water

D. A mixture of two liquids

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15.
Which one is the most dense liquid from the below?

A. Water

B. Choloform

C. Gasolin

D. None of the above

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16.
Which of the following partially miscible liquid pairs has both lower and upper critical solution temperature?

A. Water and Phenol

B. Aniline and n-hexane

C. Glycerine and m-toluene

D. Water and diethyl aniline

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17.
The aprotic solvent is

A. H₂O

B. C₆H₆

C. HF

D. NH₃

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18.
Which of the following has the highest lattice energy?

A. KF

B. CsF

C. NaF

D. RbF

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19.
Which of the following substance is highly plastic ?

A. Quartz

B. Mica

C. Granite

D. Clay

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20.
Soldering of two metals is possible because of the property of :

A. Viscosity

B. Osmosis

C. Cohesion

D. Surface tension

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Practice MCQ Questions and answers on Chemistry-GK

11. 0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by

Answer & Solution

12. Which of the following methods is used in determining the number average molar mass of a macromolecule?

Answer & Solution

13. Molality of pure water is

Answer & Solution

14. A solution is

Answer & Solution

15. Which one is the most dense liquid from the below?

Answer & Solution

16. Which of the following partially miscible liquid pairs has both lower and upper critical solution temperature?

Answer & Solution

17. The aprotic solvent is

Answer & Solution

18. Which of the following has the highest lattice energy?

Answer & Solution

19. Which of the following substance is highly plastic ?

Answer & Solution

20. Soldering of two metals is possible because of the property of :

Answer & Solution

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11.
0.01 mole of NaOH is added to 10 liters of water. The pH of water changes by

12.
Which of the following methods is used in determining the number average molar mass of a macromolecule?

13.
Molality of pure water is

14.
A solution is

15.
Which one is the most dense liquid from the below?

16.
Which of the following partially miscible liquid pairs has both lower and upper critical solution temperature?

17.
The aprotic solvent is

18.
Which of the following has the highest lattice energy?

19.
Which of the following substance is highly plastic ?

20.
Soldering of two metals is possible because of the property of :