Q. Low purity oxygen is used for

View solution

Q. __________ is produced using molasses as the starting raw material.

View solution

Q. Pick out the wrong statement pertaining to the properties of glasses.

Glasses generally have

View solution

Q. Which of the following is not a food additive?

View solution

Q. Alum is commercially produced from

View solution

Q. CaO is called

View solution

Q. Starting raw material for the manufacture of maleic anhydride is

View solution

Q. Pick out the wrong statement.

View solution

Q. Concentration of sulphide ores is done usually by

View solution

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