States of Matter (KVPY Stream-SA (Class 11) Chemistry): Questions 1 - 5 of 7

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Question number: 1

» States of Matter » Liquid State » Properties of Liquids

Appeared in Year: 2009

MCQ▾

Question

A concentrated solution of lead nitrate in water can be stored in

Choices

Choice (4) Response

a.

An iron vessel

b.

A magnesium vessel

c.

A zinc vessel

d.

A copper vessel

Question number: 2

» States of Matter » Gaseous State » Ideal Gas Equation

Appeared in Year: 2011

MCQ▾

Question

An isolated box, equally partitioned contains two ideal gases A and B as shown

An isolated box containing two ideal gases

An Isolated Box Containing Two Ideal Gases

Find the change in enthalpy and entropy when partition removed

When the partition removed, the gases mix. The changes in enthalpy (∆H) and entropy (∆S) in the process, respectively, are

Choices

Choice (4) Response

a.

negative, zero

b.

zero, negative

c.

zero, positive

d.

positive, zero

Question number: 3

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

Appeared in Year: 2014

MCQ▾

Question

At room temperature, the average seed of Helium is higher than that of Oxygen by a factor of

Choices

Choice (4) Response

a.

62

b.

8

c.

6

d.

22

Question number: 4

» States of Matter » Gaseous State » Measurable Properties of Gases

Appeared in Year: 2010

MCQ▾

Question

Consider two sealed jars of equal volume. One contains 2 g of hydrogen at 200 K and the other contains 28 g of nitrogen at 400 K. The gases in the two jars will have -

Choices

Choice (4) Response

a.

The same average molecular speed

b.

The same pressure

c.

The same average kinetic energy

d.

The same number of molecules

Question number: 5

» States of Matter » Gaseous State » Dalton's Law of Partial Pressure

Appeared in Year: 2011

MCQ▾

Question

Two balloons A and B containing 0.2 mole and 0.1 mole of helium at room temperature and 2.0 atm, respectively, are connected. When equilibrium is established, the final pressure of He in the system is-

Choices

Choice (4) Response

a.

1.5 atm

b.

1.0 atm

c.

0.5 atm

d.

2.0 atm

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