Chemical Engineering - Chemical Process

6. 

Cumene is the starting material for the production of

A. benzoic acid
B. phenol and acetone
C. isoprene
D. styrene

Answer: Option B

Explanation:

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7. 

The type of high refractive index glass used in optical instruments is __________ glass.

A. pyrex
B. flint
C. crookes
D. none of these

Answer: Option B

Explanation:

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8. 

Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

A. nickel
B. vanadium
C. alumina
D. iron

Answer: Option B

Explanation:

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9. 

Most commonly used rubber vulcanising agent is

A. sulphur
B. bromine
C. platinum
D. alumina

Answer: Option A

Explanation:

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10. 

Terylene is

A. same as dacron
B. a polyester
C. both (a) & (b)
D. neither (a) nor(b)

Answer: Option C

Explanation:

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