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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