NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1960 - 1966 of 2000

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Question number: 1960

» Chemistry » Atoms & Molecules

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MCQ▾

Question

A piece of copper weighs how many atoms of copper does it contain?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1961

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Arrange the given compounds according to their molecular weights

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1962

» Chemistry » Structure of the Atom

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MCQ▾

Question

Different elements having same atomic mass are called?

Choices

Choice (4)Response

a.

Nucleons

b.

Isotopes

c.

Isobars

d.

Question does not provide sufficient data or is vague

Question number: 1963

» Biology » Improvement in Food Resources

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MCQ▾

Question

Rearing of silkworm is known as

Choices

Choice (4)Response

a.

Sericulture

b.

Apiculture

c.

Vermiculture

d.

Horticulture

Question number: 1964

» Chemistry » Structure of the Atom

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MCQ▾

Question

For one atom of , how many protons and neutrons are present?

Choices

Choice (4)Response

a.

Protons and neutrons

b.

Protons and neutrons

c.

Protons and neutrons

d.

Protons and neutrons

Question number: 1965

» Biology » Improvement in Food Resources

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MCQ▾

Question

Fertilizer is used for plants to provide mostly

Choices

Choice (4)Response

a.

nitrogen

b.

potassium

c.

phosphorus

d.

All a. , b. and c. are correct

Question number: 1966

» Chemistry » Atoms & Molecules

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MCQ▾

Question

Which of the following pair of substances have the same formula unit mass?

Choices

Choice (4)Response

a.

Carbon dioxide, nitrous oxide.

b.

Carbon monoxide, ammonia

c.

Calcium oxide, hydrochloric acid

d.

Calcium chloride, potassium carbonate

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