Chemistry [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 114 - 121 of 209

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Question number: 114

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Question

MCQ▾

Which of the following product will be obtained from dry distillation of coal?

Choices

Choice (4)Response

a.

Water gas

b.

Natural gas

c.

Producer gas

d.

Coal gas

Question number: 115

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Question

MCQ▾

Rusting of iron metal occurred in presence of?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 116

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Question

MCQ▾

Which of the following element is present just below (position) hydrogen in electrochemical series?

Choices

Choice (4)Response

a.

Magnesium - Mg

b.

Antimony - Sb

c.

Tin - Sn

d.

Mercury - Hg

Question number: 117

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Question

MCQ▾

Which of the following is the chemical formula of rock salt?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 118

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Question

MCQ▾

Which of the following can only be formed by non-metals?

Choices

Choice (4)Response

a.

Anions & Cations

b.

Do not form ions

c.

Cation

d.

Anions

Question number: 119

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Question

MCQ▾

Which one of the following properties belongs to non-metals?

Choices

Choice (4)Response

a.

Low melting point

b.

Low densities

c.

Poor Conductivity

d.

All a. , b. and c. are correct

Question number: 120

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Question

MCQ▾

is the chemical formula of?

Choices

Choice (4)Response

a.

Bauxite

b.

Haematite

c.

Cuprite

d.

Monazite

Question number: 121

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Question

MCQ▾

Which of the following is soda-acid fire extinguisher?

Choices

Choice (4)Response

a.

b.

c.

d.