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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 6
36.
The temperature in the calcium carbide furnace is __________ °C.
200-300
700-850
2000-2200
4000-4500
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
Vinyl chloride (CH2 = CH.Cl) is produced by the thermal pyrolysis of ethylene dichloride at a pressure & temperature of
4 kgf/cm2 & 500°C.
10 kgf/cm2 & 1000°C.
40 kg/cm2 & 200°C.
100 kgi/cm2 & 500°C.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Soaps remove dirt by
increasing the surface tension.
decreasing wettability.
supplying hydrophyllic group.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement ?
Xanthates
Stearic acid
Calcium & aluminium stearate
Formic acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
Chemical name of soda ash is
sodium bicarbonate
sodium thiosulphate
potassium carbonate
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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