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General Chemistry MCQ Question with Answer

General Chemistry MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 71
An element which is preserved under water is

Sodium
red phosphorus
white phosphorus
sulphur
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Question No : 72
Quick lime has the formula

CaO
Ca(OH)2
NaOH
Na2CO3
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Question No : 73
Hypo' is

sodium nitrate
Potassium nitrate
sodium thiosulphate
ammonium chloride
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Question No : 74
The compound used in photography is

ammonium dichromate
copper Sulphate
magnesium Sulphate
sodium thiosulphate
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Question No : 75
Brine is a solution of

sodium chloride in water
iodine in alcohol
sulphur in carbon disulphide
Potassium iodide in water
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Question No : 76
Which of the following is a Bleaching agent?

Potassium chlorate
Hydrogen peroxide
Copper sulphate
Silver Nitrate
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Question No : 77
Alum is used

as an analgesic
in the purification of water
as a fertilizer
as a disinfectant
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Exam Name No. Of Q Link
Chemistry set 1 30 Start
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