NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1953 - 1959 of 2000

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Question number: 1953

» Chemistry » The Nature of Matter

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MCQ▾

Question

What type of colloidal solution in emulsion?

Choices

Choice (4)Response

a.

Liquid dispersed in liquid

b.

Liquid dispersed in solid

c.

Gas dispersed in liquid

d.

Solid dispersed in solid

Question number: 1954

» Chemistry » Structure of the Atom

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MCQ▾

Question

Find the smallest ion in size from the given ions?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1955

» Biology » Improvement in Food Resources

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MCQ▾

Question

Genetically modified crops are with

Choices

Choice (4)Response

a.

increased productivity

b.

increased pest resistance

c.

more stable in adverse condition

d.

All a. , b. and c. are correct

Question number: 1956

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following is the smallest constituent of matter which retains its chemical identity?

Choices

Choice (4)Response

a.

Atom

b.

Molecule

c.

Radical

d.

Ion

Question number: 1957

» Chemistry » Atoms & Molecules

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MCQ▾

Question

What is the formula of divalent metal chromate when formula of chromic acid is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1958

» Chemistry » Structure of the Atom

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MCQ▾

Question

Krypton atomic number is . Which of the following ion has the same number of electrons as krypton atom?

Choices

Choice (4)Response

a.

Xenon

b.

Sodium

c.

Chlorine

d.

Rubidium

Question number: 1959

» Chemistry » Matter

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MCQ▾

Question

By observing the given figure, suggest which of the following options can be placed? In ?

Ven diagram of solid, gas and liquid

Ven Diagram of Solid, Gas and Liquid

Choices

Choice (4)Response

a.

Jelly

b.

Salt

c.

Dry ice

d.

Water

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