Chemical Process
Most easily and cheaply available fibrous raw material for paper manufacture available in India is bamboo. The yield of pulp produced from fibrous raw material by mechanical process is about __________ percent.

> 30
75
< 10
50

ANSWER DOWNLOAD EXAMIANS APP

Chemical Process
Pick out the false statement pertaining to water treatment.

The zeolite water softening process reduces the hardness of water by not more than 50%
Water with pH value less than 7, is acidic
Sodium sulphate or sodium carbonate do not cause hardness in water
Aeration of water is effective in CO₂ removal

ANSWER DOWNLOAD EXAMIANS APP