Q. Refractory bricks burnt at very high temperature have got

View solution

Q. Nitrile rubber is produced by the polymerisation of

View solution

Q. Baking soda is chemically represented by

View solution

Q. P.T.F.E. (Poly tetra fluoro ethylene) is commercially known as

View solution

Q. Which of the following is an additional step in the manufacture of paper from bagasse as compared to that from bamboo ?

View solution

Q. Percentage of glycerene present in the spent lye obtained during soap manufacture is about

View solution

Q. Concentration of NaOH solution produced by diaphragm electrolytic cell is about __________ percent.

View solution

Q. Commercial production of Vanaspati is done by __________ of edible vegetable oils.

View solution

Q. Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?

View solution

Q. Phenolic antiseptics are added in the __________ soap.

View solution

Q. Solvay process is used for the manufacture of

View solution

Q. A mixture of chlorine & sodium bromide acts as a/an

View solution

Q. Carbon tetrachloride (CCl₄) is the starting raw material for the manufacture of

View solution

Q. Salt is added in the kettle during soap manufacture to separate

View solution

Q. Manufacture of phthalic anhydride uses __________ as a catalyst.

View solution

Q. Which of the following is not a product of coal tar distillation ?

View solution

Q. Teflon is

View solution

Q. Presence of sodium tripolyphosphate (an additive) in synthetic detergent

View solution

Q. Dense soda ash used in the manufacture of glass, is chemically represented by

View solution

Q. Reverse osmosis is normally used for the

View solution