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Chemistry

Chemistry
________ is used for making vinegar.

Acetic acid
Tartaric acid
Oxalic acid
Malic acid

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Chemistry
Milk is

Emulsion
Suspension
Foam
Gel

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Chemistry
Most commonly used bleaching agent is

Chlorine
Carbon dioxide
Alcohol
Sodium chloride

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Chemistry
Iodex, a pain relief balm, has the smell of ________ .

Butyl salicylate
Propyl salicylate
Ethyl salicylate
Methyl salicylate

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Chemistry
Acid rain is caused due to emission of which of the following in to the atmosphere ?

Carbon monoxide and nitrogen
Carbon dioxide and carbon monoxide
Ozone and carbon dioxide
Oxides of nitrogen and sulphur

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Chemistry
Sea water is saltier than rain water because

Sea animals are salt producing
Sea beds have salt producing mines
Rivers wash away salts from earth and pour them into the sea
The air around the sea is saltish

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