Q. Main constituents of natural rubber is

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Q. Highly porous refractory bricks are

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Q. Fumigant insecticides

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Q. Which of the following is an endothermic reaction ?

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Q. In the manufacture of viscose rayon, the raw material used industrially is

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Q. Bordeaux mixture is a/an

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Q. Silicone is a/an

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Q. Nickel is not used as a catalyst in the __________ reaction.

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Q. Roasting of metallurgical ores is done mainly to

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Q. Bleaching of paper pulp is done with

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Q. Pick out the wrong statement.

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Q. Isopropyl benzene produced by alkylation of benzene with propylene is known as

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Q. Consider the production of ammonia from methene and air as raw materials. The catalyst used are: (i) __________ for steam reforming of methane and (ii) __________ for ammonia synthesis.

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Q. Process conditions in fermentator used for production of penicillin is

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Q. Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of

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Q. Sodium chloride content in sea water is about __________ gms/litre.

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Q. Fluorescent dyes are added in detergents to

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Q. High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

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Q. Cooking liquor in case of sulphite process is

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Q. 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at __________ °C.

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