Q. In premitive days, __________ was being manufactured by Leblanc Process.

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Q. Drinking (potable) water treatment does not involve

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Q. Phenol formaldehyde resin is used as an adhesive in making

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Q. Pick out the correct statement.

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Q. DDT should not be allowed to come in contact with iron (during its manufacture) to

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Q. Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively

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Q. Black liquor is converted into white liquor by

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Q. Varnish does not contain

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Q. Alcohol is produced by the

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Q. Varnish does not contain

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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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