Chemistry [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 147 - 154 of 208

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Question number: 147

» Chemistry » Structure of the Atom

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MCQ▾

Question

Identify the element which has 1 proton zero electrons and Zero neutrons?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 148

» Chemistry » The Nature of Matter

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MCQ▾

Question

Select one from following which is not a compound?

Choices

Choice (4)Response

a.

Common salt

b.

Sugar

c.

Plaster of Paris

d.

Diamond

Question number: 149

» Chemistry » Matter

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MCQ▾

Question

The liquid ________, when the vapour pressure of a liquid in equal to atmospheric pressure.

Choices

Choice (4)Response

a.

Freezer

b.

Evaporates

c.

Both a. and b. are correct

d.

None of the above

Question number: 150

» Chemistry » The Nature of Matter

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MCQ▾

Question

Scattering of light take place in ________

Choices

Choice (4)Response

a.

Colloidal Solutions

b.

Electro dialysis

c.

Alcoholic solutions

d.

Electrolytic solutions

Question number: 151

» Chemistry » Structure of the Atom

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MCQ▾

Question

What is the correct statement about proton?

Choices

Choice (4)Response

a.

It is an ionised hydrogen molecule

b.

It is a nucleus of deuterium

c.

It is a

d.

It is an ionised hydrogen atom

Question number: 152

» Chemistry » Structure of the Atom

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MCQ▾

Question

Which of the properties of the elements is a whole number?

Choices

Choice (4)Response

a.

Atomic number

b.

Atomic mass

c.

Atomic radius

d.

Atomic volume

Question number: 153

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is the size of a colloidal particle?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 154

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which one of the following is used to separate drugs from blood?

Choices

Choice (4)Response

a.

Distillation

b.

Separating funnel

c.

Chromatography

d.

Sublimation

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