Chemical Process
In sulphate pulp manufacture, the pressure and temperature in the digestor is

L atm., 800°C
10 atm., 800 °C
1 atm., 170 - 180°C
10 atm., 170-180°C

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Chemical Process
Zeolite is a/an

Catalyst used in shift conversion
None of these
Abrasive material
Naturally occuring clay which is capable of exchanging cations

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