Q. Sulphuric acid solution having a specific gravity of 1.20 at room temperature is used mainly for the

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Q. The catalyst used in the production of elemental sulphur from H₂S (by oxidation-reduction) is

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Q. Zeolite used in water softening process (cation exchange) is regenerated by washing with

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Q. Which of the following is a detergent ?

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Q. The only commercial Fischer-Tropsch plant for producing liquid hydrocarbon fuel from coal is located at

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Q. Oils are partially hydrogenated (not fully) to manufacture vanaspati, because fully saturated solidified oils

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Q. Paper grade bamboo contains about __________ percent cellulose.

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Q. Carboxymethyl cellulose (CMC) is added in detergents to act as a/an

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Q. Raw materials for 'Solvay Process' for manufacture of the soda ash are

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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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