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Chemistry

Chemistry
Silica gel is a

Delicious food
Flavouring agent
Drying agent
Moisturizer

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Chemistry
Sweat contains water and ________

Vinegar
Salt
Citric acid
Lactic acid

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Chemistry
Which one of the following is extensively used for sterilizing water ?

Alum
Borax powder
Bleaching powder
Soda powder

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Chemistry
Peroxyacetyl nitrate is a

Vitamin
Plant hormone
Acidic dye
Secondary pollutant

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Chemistry
When quick lime is added to water

Heat is liberated
Temperature decreases
No heat change takes place
Heat is absorbed

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Chemistry
In electro-refining, the pure metal is deposited on

Anode
Electrolyte
Cathode
Vessel

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