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Chemistry

Chemistry
In silvery paints, the main constituent present is

Aluminium powder
Silver powder
White lead
Lead powder

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Chemistry
At room temperature, the metal that remains liquid is:

Platinum
Zinc
Mercury
Lead

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Chemistry
The charcoal used to decolourise brown sugar solution is

Sugar charcoal
Animal charcoal
Coconut charcoal
Wood charcoal

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Chemistry
The smog is essentially caused by the presence of

O2 and N2
O3 and N2
Oxides of N and S
O2 and O3

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Chemistry
Muscle fatigue is caused by the accumulation of :

Pyruvic acid
Uric acid
Lactic acid
Oxalacetic acid

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Chemistry
Hardness of the water is commonly measured in terms of

Calcium carbonate equivalents
Magnesium sulphate equivalents
Calcium sulphate equivalents
Magnesium carbonate equivalents

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