Q. Liquefaction of gases can not be done by

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Q. The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

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Q. Bakelite is chemically known as

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Q. Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?

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Q. Phthalic anhydride is made by the

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Q. RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

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Q. In the production of soda ash by Solvay process, the by-product is

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Q. The ideal pulp for the manufacture of paper should have high __________ content.

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Q. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

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Q. Which of the following is a constituent of vinegar ?

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Q. During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

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Q. Pick out the wrong statement.

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Q. Which of the following, when pyrolysed, produces perchloro-ethylene ?

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Q. Chemical name of aspirin (an analgesic drug) is

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Q. Which is the most efficient absorbant for SO₃ out of the following ?

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Q. Coal tar is used as a

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Q. Dehydrogenation of ethyl benzene produces

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Q. Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces

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Q. Lindane is

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Q. Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate

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