Q. P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

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Q. Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?

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Q. Percentage of glycerene present in the spent lye obtained during soap manufacture is about

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Q. Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

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Q. Commercial production of Vanaspati is done by __________ of edible vegetable oils.

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Q. Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?

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Q. Phenolic antiseptics are added in the __________ soap.

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Q. Solvay process is used for the manufacture of

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Q. A mixture of chlorine & sodium bromide acts as a/an

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Q. Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

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Q. Salt is added in the kettle during soap manufacture to separate

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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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