Q. Chloral is used in the manufacture of

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Q. Bromine is used in the preparation of

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Q. Sudden temperature fluctuation does not affect pyrex glass, because of its

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Q. Free alkali in a toilet soap is __________ that in a laundary shop.

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Q. Dehydrogenation of isopropanol produces

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Q. Pick out the wrong statement.

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Q. Concentration of hydrogen peroxide is done by

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Q. Helium is produced on commercial scale from

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Q. Cumene is the starting material for the production of

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Q. The type of high refractive index glass used in optical instruments is __________ glass.

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Q. Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

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Q. Most commonly used rubber vulcanising agent is

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Q. Calgon used in water treatment is chemically

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Q. Which oil is preferred for paint manufacture ?

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Q. Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

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Q. Glycerine is not used in the

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Q. Heating of __________ to 120°C, produces plaster of paris.

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Q. Pick out the wrong statement.

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Q. Which of the following has sodium bicarbonate as its main constituent ?

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Q. Ordinary glass is not a/an

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