Q. __________ is the major constituent of the Portland cement.

View solution

Q. Catalytic oxidation of naphthalene produces

View solution

Q. Parathion and Malathion are

View solution

Q. Transparent soaps (e.g. Pears) are

View solution

Q. Raw material used in alcohol distilleries in India is

View solution

Q. Oil produced by solvent extraction

View solution

Q. High acid value of an oil or fat is an indication of

View solution

Q. Yeast is used in the manufacture of

View solution

Q. Liquefaction of gases can not be done by

View solution

Q. The metallic aluminium is obtained from pure alumina in the presence of fused cryolite by

View solution

Q. Bakelite is chemically known as

View solution

Q. Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine ?

View solution

Q. Phthalic anhydride is made by the

View solution

Q. RDX (an explosive), which is more sensitive but less toxic than TNT, is chemically

View solution

Q. In the production of soda ash by Solvay process, the by-product is

View solution

Q. The ideal pulp for the manufacture of paper should have high __________ content.

View solution

Q. At very high concentration of enzymes, the rate of fermentation chemical reaction is __________ the concentration of reactants.

View solution

Q. Which of the following is a constituent of vinegar ?

View solution

Q. During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

View solution

Q. Pick out the wrong statement.

View solution