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Chemistry

Chemistry
A thick paste of cement, sand and water is called

R.C.C.
Mortar
Kiln
Concrete

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Chemistry
Milk is

Gel
Suspension
Emulsion
Foam

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Chemistry
Tear gas is :

Bleaching powder
Nitrous oxide
Carbonyl chloride
Chloroprene

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Chemistry
The gas dissolved in water that makes it basic is :

Hydrogen
Ammonia
Carbon dioxide
Sulphur dioxide

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Chemistry
Which of the following is used to remove rust stains on cloth?

Kerosene
Petrol
Oxalic acid solution
Lime

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Chemistry
Gelatin is mostly used in making ice–creams in order to

Stabilise the colloid and prevent crystallisation
Prevent making a colloid
Enrich the aroma
Stabilise mixture

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