Chemistry-Matter [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 7 of 61

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Question 1

Question MCQ▾

If atmospheric pressure decreases the boiling point of a liquid ________

Choices

Choice (4)Response

a.

Increases

b.

Remains same

c.

Cannot say

d.

Decrease

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Question 2

Question MCQ▾

Which of the following statement is correct?

Choices

Choice (4)Response

a.

Only liquids can flow

b.

Gases and solids can flow

c.

Only gases can flow

d.

Gases and liquids can flow

Edit

Question 3

Question MCQ▾

The simplest of matter is ________

Choices

Choice (4)Response

a.

Compound

b.

Atom

c.

Element

d.

Mixture

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Question 4

Question MCQ▾

What effect is seen on kinetic energy of the molecule, when heat energy is supplied?

Choices

Choice (4)Response

a.

Remains same

b.

Decreases

c.

Increases

d.

First increases then decreases

Edit

Question 5

Question MCQ▾

Select the element which is not liquid at room temperature.

Choices

Choice (4)Response

a.

Gallium

b.

Mercury

c.

Bromine

d.

Copper

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Question 6

Question MCQ▾

Which form of particle has regular arrangement of lattice?

Choices

Choice (4)Response

a.

Crystalline form

b.

Amorphous form

c.

Liquid form

d.

None of the above

Edit

Question 7

Question MCQ▾

How can a gas be liquefied?

Choices

Choice (4)Response

a.

Increasing the temperature

b.

Lowering the temperature

c.

Increasing the pressure

d.

Increasing the pressure and lowering the temperature

Edit