States of Matter (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 24 - 31 of 104

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Question number: 24

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

MCQ▾

Question

Oxygen at 1 atmosphere and 0℃ has a density of 1.4290 g L-1. Find the rms speed of oxygen molecule?

Choices

Choice (4) Response

a.

34.52

b.

345.2

c.

46.11

d.

461.15

Question number: 25

» States of Matter » Gaseous State » Van Der Waals Equation

MCQ▾

Question

The units of “a” in Vander Waal’s equation is?

Choices

Choice (4) Response

a.

atom litre2mol-1

b.

atom litre 2 mol-2

c.

atom litre mol-2

d.

atom litre mol-1

Question number: 26

» States of Matter » Liquid State » Vapor Pressure

MCQ▾

Question

Which of the following property of liquid is associated with Calusius –Clapeyron equation?

Choices

Choice (4) Response

a.

Vapour pressure

b.

Viscocity

c.

Surface tension

d.

Density

Question number: 27

» States of Matter » Liquid State » Surface Tension

MCQ▾

Question

The units of surface tension of a liquid is?

Choices

Choice (4) Response

a.

dyne. cm-2

b.

dyne. cm

c.

dyne. cm-1

d.

dyne. cm2

Question number: 28

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

MCQ▾

Question

The density of the gas is equal to?

Choices

Choice (4) Response

a.

nP

b.

PM/RT

c.

M/V

d.

P/RT

Question number: 29

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

MCQ▾

Question

A sample of gas occupies 600 ml at 27℃ and 1 atm. What will be the volume at 127℃ if the pressure is kept constant?

Choices

Choice (4) Response

a.

800 ml

b.

900 ml

c.

600 ml

d.

700 ml

Question number: 30

» States of Matter » Liquid State » Properties of Liquids

MCQ▾

Question

Normal boiling point of liquid is that temperature at which vapour pressure of liquid is equal to?

Choices

Choice (4) Response

a.

100 mm of Hg

b.

380 mm of Hg

c.

760 mm of Hg

d.

zero

Question number: 31

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

MCQ▾

Question

The temperature at which real gases obey the ideal gas laws over a wide range of pressure is called?

Choices

Choice (4) Response

a.

Boyle temperature

b.

reduces temperature

c.

critical temperature

d.

inversion temperature

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