Chemical Engineering - Chemical Process

16. 

Which form of sulphur is the most stable at room temperature ?

A. Plastic
B. Monoclinic
C. Rhombic
D. Flowers of sulphur

Answer: Option C

Explanation:

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17. 

Vegetable oils and fats basically differ in their

A. density ranges
B. physical state
C. chemical composition
D. chemical properties

Answer: Option B

Explanation:

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18. 

Average sulphur content in Indian pyrites is about __________ percent.

A. 15
B. 35
C. 55
D. 70

Answer: Option B

Explanation:

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19. 

Oil is a/an

A. mixture of glycerides.
B. mixture of glycerides of fatty acids.
C. solid at normal temperature.
D. ester of alcohols other than glycerine.

Answer: Option B

Explanation:

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20. 

Which of the following is a constituent of coffee ?

A. Caffeine
B. Nicotine
C. Calgon
D. Lignin

Answer: Option A

Explanation:

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