Chemical Engineering - Chemical Process

36. 

Kopper-Totzek coal gasifier

A. can give ammonia synthesis gas (H2 + N2).
B. is a moving bed reactor.
C. cannot use coking coal.
D. operate at very high pressure.

Answer: Option A

Explanation:

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37. 

Addition of calcium oxide to water produces

A. exothermic heat
B. hissing sound
C. slaked lime
D. all (a), (b) & (c)

Answer: Option D

Explanation:

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38. 

Sodium bisulphite is used for __________ water.

A. deaeration
B. dechlorination
C. both (a) & (b)
D. neither (a) nor(b)

Answer: Option C

Explanation:

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39. 

Riboflavin is a/an

A. vitamin
B. analgesic drug
C. anaesthetics
D. anti-malarial drug

Answer: Option A

Explanation:

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40. 

Flash point of most vegetable oils is about __________ °C.

A. 50
B. 100
C. 200
D. 300

Answer: Option C

Explanation:

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