TNPSC Chemistry GK Questions 2020-2021 - 1
Question: 1
Liquefied Petroleum gas (LPG) consists of mainly
(A) Methane, Ethane and Hexane
(B) Etahne, Hexane and Nonane
(C) Methane, Butane and Propane
(D) Methane, Hexane and Nonane
Ans: C
Methane, Butane and Propane
Question: 2
Oxygen and Ozone are
(A) Allotropes
(B) Isotopes
(C) Isomers
(D) Isobars
Ans: A
Allotropes
Question: 3
Which one among the following polymers is used for making bulletproof material?
(A) Polyamide
(B) Polyethylene
(C) Polyvinyl chloride
(D) Polystyrene
Ans: B
Polyethylene
Question: 4
Which of the following acid is to be found in the vinegar?
(A) Acetic acid
(B) Citric acid
(C) Oxallic acid
(D) Hydrochloric acid
Ans: A
Acetic acid
Question: 5
An element of atomic no. 29 belongs to
(A) p-block
(B) s-block
(C) d-block
(D) f-block
Ans: C
d-block
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