Q. Which of the following is not required in the manufacture of soda ash by Solvay process ?

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Q. Saponification number of an oil or fat

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Q. The purpose of tanning in leather industry is to

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Q. Lime and soda ash are added to water to remove

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Q. Sugar content in sugarcane on cane basis is about __________ percent by weight.

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Q. Pick out the wrong statement.

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Q. The major use of butadiene is

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Q. The manufacture of Kraft pulp is done by a/an __________ process.

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Q. Antibiotic

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Q. Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

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Q. __________ of rubber decreases after its vulcanisation.

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Q. Boiling of water containing temporary hardness produces

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Q. Starting material for the commercial production of ethyl alcohol in India is

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Q. Chloramines are used in water treatment for

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Q. Glycerine is recovered from lye by

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Q. Inversion of sucrose produces

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Q. Enzymes are organic catalysts used in the __________ reactions.

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Q. Linde process of gas liquefaction employs

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Q. Cellulose content of bamboo and ideal fibrous raw material for the manufacture of paper is __________ percent.

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Q. Ore concentration by froth floatation utilises the __________ of ore particles.

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