Q. Frasch process is for

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Q. Very fine suspended and colloidal impurities are removed from water by a process called

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Q. Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

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Q. Sucrose content in the raw juice extracted from sugar cane is about __________ percent.

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Q. Fusel oil is a/an

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Q. Styrene-butadiene-rubber (SBR) as compared to natural rubber has

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Q. Co-efficient of thermal expansion of glass is decreased by the addition of __________ during its manufacture.

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Q. The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is

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Q. Fermentation of molasses to produce ethyl alcohol is done at __________ °C

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Q. The catalyst used in the manufacture of DDT is

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Q. Most widely and commonly used coagulant for the removal of suspended impurities in water is

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Q. __________ is used as a catalyst in fat splitting.

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Q. Which of the following is not produced on commercial scale from sea water?

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Q. The process used for the manufacture of ethyl alcohol from molasses is

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Q. Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

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Q. Absorption of SO₃ in 97% H₂SO₄ is

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Q. __________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

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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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