Chemical Engineering - Chemical Process

1. 

In the Solvay process, the product from the calciner is

A. light soda ash
B. dense soda ash
C. sodium bicarbonate
D. dehydrated soda ash

Answer: Option A

Explanation:

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2. 

Commercially ethylene is produced from naphtha by

A. catalytic cracking.
B. catalytic dehydrogenation.
C. pyrolysis.
D. hydrocracking.

Answer: Option D

Explanation:

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3. 

Poly Vinyl Chloride (P.V.C.) is a __________ material.

A. thermosetting
B. thermoplastic
C. fibrous
D. chemically active

Answer: Option B

Explanation:

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4. 

Pig iron is produced by blast furnaces in India using mostly the iron ore named

A. hematite
B. magnetite
C. siderite
D. chalcopyrite

Answer: Option A

Explanation:

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5. 

The difference between saponification value and acid value is

A. called ester value.
B. always negative.
C. constant for all fatty oils.
D. none of these.

Answer: Option A

Explanation:

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