Chemistry [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 124 - 128 of 143

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Question 124

Question MCQ▾

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

Choices

Choice (4)Response

a.

The Functional Group for Carboxylic Acids: Choice A

b.

The Functional Group for Carboxylic Acids: Choice B

c.

The Functional Group for Carboxylic Acids: Choice C

d.

The Functional Group for Carboxylic Acids: Choice D

Edit

Question 125

Question MCQ▾

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.

Only II

b.

Neither I nor II

c.

I and II

d.

Only I

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Question 126

Question MCQ▾

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

Edit

Question 127

Question MCQ▾

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.

Only 3

b.

Only 2

c.

Only 1

d.

1,2 and 4

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Question 128

Question MCQ▾

The above reaction is an example of a

Choices

Choice (4)Response

a.

Decomposition reaction

b.

Displacement reaction

c.

Combination reaction

d.

Double displacement reaction

Edit