PG TRB Previous Year Question Paper with Answer - 3
Question: 11
The colouring matter in the process of bleaching of textiles by the use of bleaching powder gets
(A) absorbed
(B) displaced
(C) reduced
(D) oxidised
Ans: D
oxidised
Question: 12
The soft smooth feel of the skin with after-shave lotion is due to
(A) ethylene glycol
(B) diethylphthalate
(C) alcohol
(D) none of these
Ans: C
alcohol
Question: 13
The best quality of coal with least ash content is
(A) anthracite
(B) bituminous
(C) peat
(D) lignite
Ans: A
anthracite
Question: 14
Electrolytes are
(A) acids and bases only
(B) acids and salts only
(C) acids, bases and salts
(D) bases and salts only
Ans: C
acids, bases and salts
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