Chemistry [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 195 - 203 of 208

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Question 195

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Question

MCQ▾

If you have of , then what will be the ratio of number of atoms of elements potassium , chlorine and oxygen O respectively?

Choices

Choice (4)Response

a.

b.

3

c.

d.

Question 196

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Question

MCQ▾

Which type of solution milk is?

Choices

Choice (4)Response

a.

True solution

b.

Suspension

c.

Colloid

d.

Alloy

Question 197

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Question

MCQ▾

________ is a homogeneous solution?

Choices

Choice (4)Response

a.

Bread

b.

Muddy water

c.

Concrete

d.

Sugar in water

Question 198

Edit

Question

MCQ▾

What is the molecular formula of the given compound “Mercuric Chloride”?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 199

Edit

Question

MCQ▾

The size of the nucleus is measured in?

Choices

Choice (4)Response

a.

Angstrom

b.

c.

Fermi

d.

Question 200

Chemistry
Edit

Question

MCQ▾

What is the normal temperature of the human body?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 201

Chemistry
Edit

Question

MCQ▾

Generally non-reacting gases have the tendency to mix with each other, this process is known as?

Choices

Choice (4)Response

a.

Effusion

b.

Diffusion

c.

Explosion

d.

Evaporation

Question 202

Edit

Question

MCQ▾

A solid dispersed in liquid is known as?

Choices

Choice (4)Response

a.

Alloy

b.

Suspension

c.

Solvent

d.

Sol

Question 203

Edit

Question

MCQ▾

The number of atoms in of carbon is called?

Choices

Choice (4)Response

a.

a. m. u

b.

Mole

c.

Atomic mass

d.

None of the above