Carbon and Its Componds [NSO Level 1- Science Olympiad (SOF) Class 10]: Questions 7 - 11 of 60

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Question number: 7

» Carbon and Its Componds

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MCQ▾

Question

Which is not a properties of CNG Fuel?

Choices

Choice (4)Response

a.

During its combustion, sulphur and nitrogen gases are evolved.

b.

It is less expensive than petrol and diesel.

c.

CNG requires more air for ignition.

d.

No carbon particles are ejected during combustion.

Question number: 8

» Carbon and Its Componds

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Question

Acetic acid was added to a solid X kept in a test tube. Y was evolved. Y is White solid or almost colorless, transparent, with a slight hint of blue, crystalline solid or liquid. It was concluded that

Choices

Choice (4)Response

a.

X is Ammonium sulphate and Y is Hydrogen.

b.

X is calcium hydroxide and Y is water

c.

X is sodium and Y is carbon dioxide

d.

None of the above

Question number: 9

» Carbon and Its Componds

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Question

The bonding of atoms of the same element into a series, called a

Choices

Choice (4)Response

a.

Destructive distillation

b.

Carbonation

c.

Pyrolysis

d.

Catenation

Question number: 10

» Carbon and Its Componds

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MCQ▾

Question

Among the thermal decomposition of materials is

Choices

Choice (4)Response

a.

Carbonation

b.

Catenation

c.

Destructive distillation

d.

Pyrolysis

Question number: 11

» Carbon and Its Componds

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MCQ▾

Question

Read the given statements and mark the correct option.

Statement 1: Biogas is primarily methane and carbon dioxide and hydrogen sulphide

Statement 2: Petroleum, coal and natural gas are fossil fuels.

Choices

Choice (4)Response

a.

Only statement 2 is correct

b.

Statements 1 and 2 are incorrect

c.

Only statement 1 is correct

d.

Statements 1 and 2 are correct

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