Q. Polymerisation product of C₂F₄ (carbon tetraflouride) is called P.T.F.E (poly chloro tetra flouro ethylene). It is also called

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Q. Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.

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Q. Prussian blue is chemically represented by

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Q. Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of

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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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