Chemistry (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 124 - 128 of 144

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Question number: 124

» Chemistry » Periodic Classification of Elements

MCQ▾

Question

The above two reactions are the example of

Choices

Choice (4) Response

a.

Double displacement reaction

b.

Redox reaction

c.

Decomposition reaction

d.

Displacement reaction

Question number: 125

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

Which of the following is the functional group for carboxylic acids?

Choices

Choice (4) Response

a.

The functional group for carboxylic acids : Choice A

The Functional Group for Carboxylic Acids: Choice A

The functional group for carboxylic acids

b.

The functional group for carboxylic acids : Choice B

The Functional Group for Carboxylic Acids: Choice B

The functional group for carboxylic acids

c.

The functional group for carboxylic acids : Choice C

The Functional Group for Carboxylic Acids: Choice C

The functional group for carboxylic acids

d.

The functional group for carboxylic acids : Choice D

The Functional Group for Carboxylic Acids: Choice D

The functional group for carboxylic acids

Question number: 126

» Chemistry » Carbon and Its Compounds

MCQ▾

Question

Consider the following statements

I. Sulphur is used in making electrodes of dry cells.

II. Carbon is used in the vulcanization of rubber.

Which of the above statements is/are correct?

Choices

Choice (4) Response

a.

Neither I nor II

b.

Only I

c.

I and II

d.

Only II

Question number: 127

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

A magnetic wire of dipole moment is bent in the form of semi-circle. The new magnetic moment is

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 128

» Chemistry » Physical and Chemical Changes

MCQ▾

Question

Consider the following statements.

1. Carbonic acid is a weak acid.

2. Distilled water conduct electricity.

3. Dilute HC1 helps in digestion.

4. NaOH is a strong alkali.

Which of the statement (s) is/are incorrect?

Choices

Choice (4) Response

a.

1, 2 and 4

b.

Only 1

c.

Only 2

d.

Only 3

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