90% of the caprolactam is converted to nylon-6 on its condensation polymerisation in the reactor maintained at _____________ °C ?

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In the manufacture of viscose rayon, the raw material used industrially is ____________________?

A. Eucalyptus wood B. Bamboo C. Bagasse D. Fine teak wood...

Cumene (isopropyl benzene) is made by ____________________?

A. Oxidation of naphthalene B. Propylene alkylation of benzene C. Polymerisation of a mixture of benzene & propylene D. None of these...

Pick out the wrong statement pertaining to the properties of glasses. Glasses generally have___________________?

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Sodium chloride content in sea water is about _______________ gms/liter?

A. 2 B. 10 C. 25 D. 50...

At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?

A. Independent of B. Directly proportional to C. Inversely proportional to D. Proportional to the square of...