Q. __________ nature of hypo (sodium thiosulphate) makes it useful in photography.

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Q. __________ is an ore of lead.

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Q. Which of the following is an yellow pigment ?

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Q. Catalytic oxidation of toluene produces

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Q. SO₂ is bubbled through hot sugar cane juice to

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Q. A mineral is termed as 'ore', if

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Q. In the manufacture of H₂SO₄, vanadium catalyst as compared to platinum catalyst

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Q. At a given temperature, the equilibrium yield of SO₃ obtained from the oxidation of SO₂ is proportional to (where, P = pressure of the system )

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Q. Oleum produces fumes of

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Q. 20% oleum means that in 100 kg oleum, there are 20 kg of

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Q. Which of the following paper does not require a filler during manufacture ?

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Q. Industrial production of chloroform requires acetone and

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Q. Pencillin, an antibiotic drug was discovered by

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Q. Styrene (a monomer for the production of polystyrene) is commercially produced by

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Q. Hydrogenation of oil takes place in a/an __________ reactor.

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Q. Carbon content of pitch (residue of coal tar distillation) is around __________ percent.

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Q. Sodium salt of higher molecular weight fatty acid is termed as the __________ soap.

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Q. Synthetic glycerine is produced from

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Q. A 'unit process' is exemplified by the

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Q. Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H₂O = Fe₃O₄ + 4H₂, is not practised, as it is

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