Q. Sodium carbonate (soda ash) is not used in the manufacture of

View solution

Q. Viscose rayon

View solution

Q. Nylon 6-6 is manufactured from

View solution

Q. Glauber's salt is chemically represented by

View solution

Q. Chemical name of Grignard reagent is

View solution

Q. Which of the following processes is absent in glass manufacturing process ?

View solution

Q. Production of one ton of dry paper pulp requires about __________ tons of bamboo or wood.

View solution

Q. Nitrogen is an essential component of

View solution

Q. Bromine content in sea water may be around __________ ppm.

View solution

Q. Argon is the third largest constituent of air (followed by N₂ & O₂). Its percentage by volume in air is

View solution

Q. Poly tetraflouro ethylene (P.T.F.E.) is known as

View solution

Q. Bakelite is

View solution

Q. __________ is produced by the dehydrogenation of ethyl benzene.

View solution

Q. Which of the following is used as a coagulant in water treatment ?

View solution

Q. __________ paper is used in the manufacture of newsprint paper.

View solution

Q. Hydrodenation of vegetable oils is a/an __________ reaction.

View solution

Q. Permanent hardness of water is due to the presence of calcium & magnesium

View solution

Q. The temperature in the calcium carbide furnace is __________ °C.

View solution

Q. Vinyl chloride (CH₂ = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of

View solution

Q. Soaps remove dirt by

View solution