Chemistry-Carbon and Its Compounds (NSTSE (National Science Talent Search Exam- Unified Council) Class 10): Questions 1 - 8 of 30

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Question number: 1

» Chemistry » Carbon and Its Compounds

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Question

Which of the following enzyme can convert glucose to ethyl alcohol?

Choices

Choice (4) Response

a.

Zymase

b.

Invertase

c.

Diastase

d.

Maltase

Question number: 2

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

The total number of isomers of butane are?

Choices

Choice (4) Response

a.

7

b.

5

c.

4

d.

2

Question number: 3

» Chemistry » Carbon and Its Compounds

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Question

Identify the allotropic of carbon from the following?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 4

» Chemistry » Carbon and Its Compounds

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Question

What is the product formed when ethanoic acid react with carbonates along with and ?

Choices

Choice (4) Response

a.

Acetic acid

b.

Ethane

c.

Hydrogen peroxide

d.

Sodium acetate

Question number: 5

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

Image of the chemical reaction

Image of the Chemical Reaction

Image of the chemical reaction

What is X in the above reaction?

Choices

Choice (4) Response

a.

Butanoic acid

b.

Propanoic acid

c.

Ester

d.

None of the above

Question number: 6

» Chemistry » Carbon and Its Compounds

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Question

Which of the following organic compound present in “Dettol” the antiseptic?

Choices

Choice (4) Response

a.

b.

c.

Phenol

d.

Benzene

Question number: 7

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

…… gas is used to convert an unsaturated hydro carbon into a saturated hydro carbon?

Choices

Choice (4) Response

a.

Bromine

b.

Hydrogen

c.

Oxygen

d.

Chlorine

Question number: 8

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

Which of the following compound has IUPAC name Propan – 2 – ol?

Choices

Choice (4) Response

a.

Ethyl alcohol

b.

n – propyl alcohol

c.

Isopropyl alcohol

d.

n – butyl alcohol

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