Chemical Engineering - Chemical Process

1. 

Which of the following contains least amount of N2 ?

A. Coke oven gas
B. Blast furnace gas
C. Producer gas
D. Water gas (blue gas).

Answer: Option A

Explanation:

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2. 

Calcination of limestone is not done in a __________ kiln for producing lime.

A. vertical shaft
B. rotary
C. fluidised bed
D. fixed bed

Answer: Option D

Explanation:

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3. 

Neoprene is a

A. monomer
B. synthetic rubber
C. polyester
D. none of these

Answer: Option B

Explanation:

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4. 

Saponification value/number of an oil or fat is a measure of its

A. fatty acid content.
B. degree of unsaturation of the fatty acids present in it.
C. average molecular weight.
D. insoluble fatty acid content.

Answer: Option C

Explanation:

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5. 

Ethyl alcohol cannot be produced

A. from waste sulphite substrate of paper mills.
B. by esterification and hydroloysis of ethylene.
C. from molasses.
D. none of these.

Answer: Option D

Explanation:

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