Carbon and Its Componds (NSO Level 1- Science Olympiad (SOF) Class 10): Questions 8 - 12 of 60

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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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MCQ▾

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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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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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

Question number: 12

» Carbon and Its Componds

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MCQ▾

Question

In acid, halogen atoms replaces a hydrogen atom from an

Choices

Choice (4) Response

a.

Alkenyl group

b.

Functional group

c.

Phenyl group

d.

Alkyl group

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