Chemical Engineering :: 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.
- Exothermic condensation reaction of monochlorobenzene with chloral in presence of 20% oleum as catalyst produces DDT. The reaction temperature is maintained at __________ °C.
- Pick out the wrong statement.
- Shaving soaps are
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A.
Kraft method of pulp manufacture can process all types of fibrous raw materials |
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B.
Digestion time for bagasse is less than that for wood base materials |
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C.
Both temperature and pressure in the digestor is less in case of the sulphite method as compared to that in the sulphate method |
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D.
None of these |