Q. The compressive strength of cement should not be less than about 110 Kg/cm² after three days & not less than 170 Kg/cm² after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about __________ cm²/gm.

View solution

Q. Shaving soaps are

View solution

Q. The yield of tar from high temperature carbonisation of dry coal is about __________ percent.

View solution

Q. Which of the following is an unsaturated fatty acid ?

View solution

Q. Bleaching powder (chemically known as calcium chloro hypochlorite) is commercially produced by the action of chlorine on

View solution

Q. __________ process is used for producing soda ash.

View solution

Q. Penicillin is separated from fermented broth by

View solution

Q. Bitterns is a/an

View solution

Q. In contact process, SO₃ is absorbed in 97% H₂SO₄ and not in water, because

View solution

Q. Cation exchanger is regenerated usually with

View solution

Q. Metallic soap is __________ salt of fatty acids.

View solution

Q. Lubricating greases are a mixture of

View solution

Q. Percentage of alcohol in beer may be around __________ percent.

View solution

Q. Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

View solution

Q. The main aim behind cooling the digested chip at the bottom portion of the digestor by injecting cold black liquor is to

View solution

Q. Fish contains about __________ percent oil.

View solution

Q. Fat splitting catalyst is

View solution

Q. __________ is obtained as a by-product in the manufacture of sodium hydroxide using brine.

View solution

Q. Main constituent of limestone is

View solution

Q. The most widely used coagulant for removing suspended impurities from water is

View solution