Chemical Engineering - Chemical Process

21. 

Unsaturated oils compared to saturated oils have

A. lower melting point & higher reactivity to oxygen.
B. higher melting point & higher reactivity to oxygen.
C. lower melting point & lower reactivity to oxygen.
D. higher melting point & lower reactivity to oxygen.

Answer: Option A

Explanation:

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22. 

With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide

A. increases
B. increases linearly
C. decreases
D. decreases linearly

Answer: Option C

Explanation:

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23. 

Chemical formula of oleum is

A. H2SO3
B. H2SO4
C. H2S2O7
D. H2SO7

Answer: Option C

Explanation:

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24. 

Electrodeposition of metals i.e. electroplating is never done on

A. metals
B. alloys
C. refractories
D. non-metals

Answer: Option C

Explanation:

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25. 

Hollander beater used during paper pulp manufacture does not facilitate the __________ of fibre.

A. cutting
B. fibrillation
C. hydration
D. strengthening

Answer: Option D

Explanation:

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