The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is
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Which of the following is not produced commercially from sea water?
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Dacron (or terylene) fibres as compared to nylon's fibres have
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In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst
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Which of the following contains least amount of N2?
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__________ is used as a flux in the smelting of copper ore like chalcopyrite.
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A unit operation is exemplified by the process of
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Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
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Which of the following is an ore of iron?
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Dichloro diphenyl __________ is the full form of DDT (an insecticide).
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Which of the following processes is absent in glass manufacturing process?
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A good quality coal should have
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The ideal pulp for the manufacture of paper should have high __________ content.
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__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.
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Rotary kiln is not involved in the production of
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Which is the main reducing agent during production of iron from iron ore in a blast furnace?
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Which of the following is a constituent of vinegar?
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The most popular and common detergent i.e., alkyl benzene sulfonate (ABS) is a/an __________ detergent.
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__________ acid is an unsaturated fatty acid.
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Carbon content of pitch (residue of coal tar distillation) is around __________ percent.
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