Production of one ton of dry paper pulp requires about ___________________ tons of bamboo or wood?

A. Sodium silicate
B. Sodium borate
C. Sodium tripolyphosphate (STPP)
D. Caustic soda

A. Has low free fatty acid content
B. Is odourless
C. Has more of unsaturates
D. None of these

A. Oxidation of naphthalene
B. Oxidation of benzene
C. Dehydrogenation of ethyl benzene
D. None of these

A. Carbon
B. Charcoal
C. Sulphur
D. Potassium nitrate

A. Insecticides
B. Analgesic drug
C. Fire retardant
D. Hydrogenation catalyst