States of Matter (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 17 - 23 of 104

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Question number: 17

» States of Matter » Liquid State » Viscosity

MCQ▾

Question

With increasing molecular mass of liquid, the viscosity?

Choices

Choice (4) Response

a.

Increases

b.

Decreases

c.

No effect

d.

All of the above

Question number: 18

» States of Matter » Liquid State » Viscosity

MCQ▾

Question

Viscosity is the property of which of the following type of compounds?

Choices

Choice (4) Response

a.

liquids

b.

Solids

c.

gases

d.

None of the above

Question number: 19

» States of Matter » Liquid State » Surface Tension

MCQ▾

Question

Which of the following method can be used to determine the surface tension of liquids?

Choices

Choice (4) Response

a.

boiling point method

b.

single capillary method

c.

Refractometric method

d.

polarimertic method

Question number: 20

» States of Matter » Gaseous State » Gas Laws - Boyle's Law, Charle's Law, Graham's Law of Diffusion

MCQ▾

Question

When the universal gas constant (R) is divided by Avogadro’s number N, their ratio is called?

Choices

Choice (4) Response

a.

Boltzman constant

b.

vander waal constant

c.

planks constant

d.

Rydberg constant

Question number: 21

» States of Matter » Gaseous State » Gas Laws - Boyle's Law, Charle's Law, Graham's Law of Diffusion

MCQ▾

Question

The speed possessed by most of the gaseous molecules is?

Choices

Choice (4) Response

a.

Most propable speed

b.

Average speed

c.

Root mean square speed

d.

Question does not provide sufficient data or is vague

Question number: 22

» States of Matter » Gaseous State » Concept of Average, Root Mean Square and Most Probable Velocities

MCQ▾

Question

At what temperature is the root mean square speed of N2 gas equal to that of propane gas at STP?

Choices

Choice (4) Response

a.

173.7K

b.

273 K

c.

173.7℃

d.

-40 ℃

Question number: 23

» States of Matter » Liquid State » Vapor Pressure

MCQ▾

Question

Which of the following liquid possess low vapour pressure?

Choices

Choice (4) Response

a.

Glycol

b.

Ethyl alcohol

c.

water

d.

Diethyl ether

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