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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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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