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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Q. Pick out the wrong statement.

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Q. Molecular weights of polymers are in the range of

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Q. Sulphur removal by heating of pyrite ore in presence of air is called its

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Q. Deacon's method is used for the manufacture of

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Q. Pick out the true statement pertaining to water treatment.

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Q. Refractory bricks having high thermal conductivity is desirable, when it is to be used in the

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Q. Bromides contained in hot mother liquor is treated with __________ during manufacture of bromine from sea water.

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Q. Plasticisers are added to paints to

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Q. Resistance to fusion of the refractory under a steady rising temperature condition is called

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