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Chemical Process

Chemical Process
Varnish does not contain

Thinner
Pigment
Neither A nor B
Both A & B

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

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

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Chemical Process
Which of the following is a constituent of vinegar?

Around 1% acetic acid
Around 10% alcohol
Neither A nor B
Both A and B

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Chemical Process
Glycerine is not used in the

Conditioning and humidification of tobacco
None of these
Manufacture of explosive
Manufacture of pharmaceuticals

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Chemical Process
Kopper-Totzek coal gasifier

Is a moving bed reactor
Operate at very high pressure
Can give ammonia synthesis gas (H₂ + N₂)
Cannot use coking coal

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Chemical Process
Process conditions in fermentator used for production of penicillin is

30°C, 200 mm Hg (absolute)
90°C, 45 atm
50°C, l0 atm
25°C, 2 atm

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