Top100+ TRB Home Science Model Question Paper with Answers - 1

Question: 1

Boyle’s law is applicable at

(A) Constant pressure but variable temperature 

(B) Constant temperature

(C) Constant temperature and pressure

(D) Constant pressure

Ans: B

Constant temperature

Question: 2

The number of shared pair of electrons present in nitrogen molecule is

(A) 1

(B) 2

(C) 3

(D) 4

Ans: C

3

Question: 3

If the rubber rod is rubbed with fur _____ charge is produced.

(A) neutral

(B) negative

(C) positive

(D) no charge

Ans: B

negative

Question: 4

Which of the following is an element?

(A) Diamond

(B) Emerald

(C) Ruby

(D) Sapphire 

Ans: A

Diamond

Question: 5

The meter which is commonly used for servicing TV is known as

(A) Frequency meter

(B) Meggar

(C) Ammeter

(D) Multimeter

Ans: D

Multimeter

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