Q. Which is the main reducing agent during production of iron from iron ore in a blast furnace ?

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Q. The drug used in contraceptives is

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Q. Raw materials used for producing __________ cement does not contain iron oxide.

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Q. In the Lurgi coal gasifier

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Q. Neon gas is

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Q. Wood charcoal is used for decolouration of sugar, because it __________ the coloured materials.

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Q. Producer gas consists mainly of

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Q. Neoprene is the trade name of

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Q. Hard water

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Q. Which of the following is an organo-metal-lic compound ?

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Q. Paper pulp produced by kraft/sulphate process is

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Q. Claude process of gas liquefaction employs

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Q. The main use of HCl is in the

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Q. The gasification reaction represented by, C + H₂O = CO + H₂, is a/an __________ reaction.

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Q. Viscose rayon is chemically

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Q. Oxidation of SO₂ to SO₃ is favoured by

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Q. Gun powder, which is an explosive comprises of charcoal, sulphur and

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Q. Starting raw material for the manufacture of alum is

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Q. Salt cake is chemically represented by

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Q. Which of the following sugars is the sweetest?

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