Q. Graphite is a/an

View solution

Q. Molasses is the starting material for the production of

View solution

Q. BHC (Benzene hexachloride) is made by the chlorination of benzene

View solution

Q. Diaphragm electrolytic cell as compared to mercury electrolytic cell

View solution

Q. Calcareous & argillaceous materials are used in the manufacture of

View solution

Q. Pick out the wrong statement.

View solution

Q. __________ is used as a flux in the smelting of copper ore like chalcopyrite.

View solution

Q. Hydrogenation of oil does not

View solution

Q. Main constituents of cotton fiber is

View solution

Q. CaCl(OCl) is the chemical formula of

View solution

Q. In an integrated steel plant, NH₃ present in coke oven gas is normally recovered as

View solution

Q. Flexible foam (for mattresses) is usually made of

View solution

Q. Glycerine is a by-product of the __________ industry.

View solution

Q. One of the steps during refining of cane sugar consists of addition of hydrated lime to the sugar syrup followed by carbonation of the resulting solution. The purpose of this step is to

View solution

Q. Permanent hardness of water can be removed by

View solution

Q. Chalcopyrite is the main ore of

View solution

Q. The end bleaching agent used to move last traces of colour bodies from the pulp is

View solution

Q. Bio-degradable detergents

View solution

Q. Sea water contains about __________ ppm of bromine.

View solution

Q. Which allotrope of sulphur is insoluble in carbon disulphide ?

View solution