Q. The most stable allotropic form of phosphorous is the __________ phosphorous.

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Q. Function of thinner in a paint is to

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Q. DDT stands for

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Q. Phosphoric acid is prepared from

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Q. Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used

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Q. Which of the following processes does not produce Cl₂ as a co-product during the manufacture of caustic soda ?

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Q. Bleaching action of bleaching powder is due to its __________ properties.

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Q. Solvent used for extraction of oil is

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Q. Insulin is an __________ drug.

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Q. Neoprene is chemically known as

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Q. Pick out the wrong statement.

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Q. __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.

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Q. The amount of benzene present in pure benzol is about __________ percent.

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Q. Cumene (isopropyl benzene) is made by

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Q. Which of the following is not a pyrite ore?

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Q. Mannheim furnace is used in the manufacture of

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Q. Pick out the wrong statement.

Iodine value of an oil or fat is

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Q. Nickel is not used as a catalyst in the

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Q. __________ iron is the purest form of iron.

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Q. Enamels

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