NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1430 - 1437 of 1484

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Question number: 1430

» 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: 1431

» 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

Question number: 1432

» Chemistry » Acids, Bases and Salts

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Question

what is the Lewis acid in the above reaction?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1433

» Chemistry » Acids, Bases and Salts

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MCQ▾

Question

Which of the following gas is passed through dry slaked lime to produce bleaching powder?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1434

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

Ethanoic acid is used in making of?

Choices

Choice (4) Response

a.

Soaps

b.

Oils

c.

Ethane

d.

Artificial fibre

Question number: 1435

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

Which of the following unsaturated hydrocarbon has cyclic structure?

Choices

Choice (4) Response

a.

Ethene

b.

Pentane

c.

Benzene

d.

Butene

Question number: 1436

» Chemistry » Carbon and Its Compounds

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MCQ▾

Question

Find the A in Reaction

Find the a in Reaction

Find the A in Reaction

The above reaction is example of catalytic decomposition of carboxylic acids, then what is A?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 1437

» Chemistry » Acids, Bases and Salts

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MCQ▾

Question

Which of the following compound is define “Amphoterism”?

Choices

Choice (4) Response

a.

b.

c.

d.

All a. , b. and c. are correct

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