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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Q. Haemoglobin is a/an

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Q. Epoxy resin

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Q. Concentration of NaOH solution produced by mercury electrolytic cell is about __________ percent.

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Q. Which of the following is the most adverse factor challenging the choice of mercury electrolytic cell process for the production of caustic soda?

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Q. Esterification reaction produces

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