NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1945 - 1952 of 2000

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Question number: 1945

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which one of the following process is known to be a chemical change?

Choices

Choice (4)Response

a.

Evaporation of water

b.

Boiling of eggs

c.

Precipitation of snow

d.

Melting of wax

Question number: 1946

» Chemistry » Structure of the Atom

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MCQ▾

Question

Which of the following are the same for the given set of elements and ?

Choices

Choice (4)Response

a.

Number of protons

b.

Number of electrons

c.

Number of nucleons

d.

Number of neutrons

Question number: 1947

» Chemistry » Structure of the Atom

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MCQ▾

Question

Which of the following is isoelectronic with neon?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1948

» Chemistry » Matter

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MCQ▾

Question

Convert to kelvin, the value is (or) the resulting temperature in kelvin is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1949

» Chemistry » Structure of the Atom

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MCQ▾

Question

Find the common thing in both oxygen atom and oxide ion?

Choices

Choice (4)Response

a.

Same size

b.

Same number of electrons

c.

Same number of protons

d.

Same electronic configuration

Question number: 1950

» Chemistry » The Nature of Matter

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MCQ▾

Question

What type of solution is drinking soda?

Choices

Choice (4)Response

a.

Solid in liquid

b.

Liquid in gas

c.

Gas in liquid

d.

Gas in Gas

Question number: 1951

» Biology » Improvement in Food Resources

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MCQ▾

Question

Rearing of honey bee is known as

Choices

Choice (4)Response

a.

Horticulture

b.

Sericulture

c.

Apiculture

d.

Vermiculture

Question number: 1952

» Biology » Improvement in Food Resources

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MCQ▾

Question

Compost prepared using earthworms is known as

Choices

Choice (4)Response

a.

Compost

b.

Humus

c.

Vermicompost

d.

Question does not provide sufficient data or is vague

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