Q. Calcination of gypsum produces

View solution

Q. Phthalic anhydride is produced by the oxidation of

View solution

Q. Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.

View solution

Q. Zeigler process

View solution

Q. Massecuite is

View solution

Q. The noble gas which occurs most abundantly in the atmosphere is

View solution

Q. Production of alcohol by fermentation of molasses is an __________ process.

View solution

Q. Main constituents of portland cement are calcium aluminate and

View solution

Q. Pick out the wrong statement.

View solution

Q. Common salt is generally not produced commonly by __________ method from brine.

View solution

Q. Which of the following is a detergent ?

View solution

Q. Sulphuric acid is mainly used in the __________ industry.

View solution

Q. Pick out the wrong statement pertaining to nitric acid.

View solution

Q. Alcohol percentage in molasses may be around

View solution

Q. Main use of hydrazine is

View solution

Q. Out of the following processes of paper pulp manufacture, the maximum corrosion problem in digestion & handling equipments is encountered in the __________ process.

View solution

Q. __________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.

View solution

Q. Gun powder uses

View solution

Q. Dichloro diphenyl __________ is the full form of DDT (an insecticide).

View solution

Q. The basic difference between vegetable oils and fats is in their

View solution