Chemical Engineering :: Chemical Process
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Free alkali in a toilet soap is __________ that in a laundary shop.
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Dehydrogenation of isopropanol produces
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Pick out the wrong statement.
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Concentration of hydrogen peroxide is done by
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Fermentation of molasses to produce ethyl alcohol is done at __________ °C
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The catalyst used in the manufacture of DDT is
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Most widely and commonly used coagulant for the removal of suspended impurities in water is
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Which of the following is not produced on commercial scale from sea water?
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A.
Eosin requirement in tallow soap is about 40-50% which fastens the lather formation, softens the hard soaps and increases its cleansing action.
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B.
Soap powder is prepared by mixing soap with hydrated sodium carbonate.
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C.
Detergents differ from soaps in their action in hard water.
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D.
Tarnish inhibitor (e.g., benzotriazole) is added in soap to facilitate the removal of stains due to tea, blood etc.
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