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

Q. Enzymes are

View solution

Q. Multistage catalytic converter is not used in the

View solution

Q. __________ is a thermosetting plastic.

View solution

Q. Which of the following is an ore of iron ?

View solution

Q. Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?

View solution

Q. High purity nitrogen is used in

View solution

Q. Commercial production of soda ash by Solvay process requires limestone, __________ as raw materials.

View solution

Q. Naphthalene is removed from coke oven gas by

View solution

Q. Which is the most suitable dye for synthetic fibres ?

View solution