Q. Manufacture of phthalic anhydride uses __________ as a catalyst.

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Q. Which of the following is not a product of coal tar distillation ?

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Q. Teflon is

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Q. Presence of sodium tripolyphosphate (an additive) in synthetic detergent

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Q. Dense soda ash used in the manufacture of glass, is chemically represented by

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Q. Reverse osmosis is normally used for the

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Q. Hydrazine is largely used

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Q. 'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

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Q. Litharge is

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Q. Coagulant is used __________ filtration.

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Q. 10% oleum comprises of 10% free

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Q. Use of chlorine in the treatment of sewage

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Q. Removal of dirt/soil by soaps or detergent does not involve the __________ of soil.

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Q. Caprolactum (a raw material for nylon-6 manufacture) is produced from

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Q. The purpose of adding Na₂CO₃ to water of low alkalinity is to

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Q. Ca(OH)₂ is called

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Q. Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about

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Q. Potassium is kept & transported under

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Q. Anion exchanger is regenerated usually with

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Q. __________ is the major constituent of the Portland cement.

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