NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 462 - 468 of 1259

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Question number: 462

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

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MCQ▾

Question

Which one of the following does not represent Boyles law?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 463

» States of Matter » Gaseous State » Kinetic Theory of Gases

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MCQ▾

Question

At what temperature is the kinetic energy of a gas molecule half of its value at 327℃?

Choices

Choice (4)Response

a.

45℃

b.

27℃

c.

-123 ℃

d.

13.5 ℃

Question number: 464

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

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MCQ▾

Question

Calculate the root mean square speed of hydrogen molecule at STP?

Choices

Choice (4)Response

a.

1844.9 ms-1

b.

156 ms-1

c.

1722.7 ms-1

d.

1454.8 ms-1

Question number: 465

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

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MCQ▾

Question

The root mean square speed at NTP of the species can be calculated from the expression?

Choices

Choice (4)Response

a.

b.

c.

d.

All a. , b. and c. are correct

Question number: 466

» Hydrogen » Isotopes

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MCQ▾

Question

Which of the following isotopes of hydrogen is radio active in nature?

Choices

Choice (4)Response

a.

Protium only

b.

Deuterium only

c.

Deuterium and tritium

d.

Tritium only

Question number: 467

» Hydrogen » Physical and Chemical Properties of Water

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MCQ▾

Question

What is the tolerable amount of hardness of water in ppm in domestic usage?

Choices

Choice (4)Response

a.

100 - 200 ppm

b.

100 - 150 ppm

c.

150 - 200 ppm

d.

100 ppm

Question number: 468

» States of Matter » Liquid State » Surface Tension

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MCQ▾

Question

When there is a rise in temperature the surface tension will be?

Choices

Choice (4)Response

a.

Increase

b.

Decreases

c.

Does not vary

d.

Question does not provide sufficient data or is vague

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