TNPSC Group 2a Study Material in Tamil and English Pdf - 1
Question: 1
Domestic cooking gas consists of mostly
(A) Hydrogen and acetylene
(B) Ethylene and carbon monoxide
(C) Liquified butane and iso-butane
(D) Methane and ethane
Ans: C
Liquified butane and iso-butane
Question: 2
Which is the used in storage batteries
(A) Lead
(B) Tin
(C) Zinc
(D) CU
Ans: A
Lead
Question: 3
The most common lanthanide is
(A) Samarium
(B) Plutonium
(C) Cerium
(D) Lanthanum
Ans: C
Cerium
Question: 5
Maximum hydrogen bonding would be observed in the compound
(A) Diethyl ether
(B) Diethylamine
(C) Glycol
(D) Methanol
Ans: D
Methanol
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