Chemical Process
Common salt is generally not produced commonly by __________ method from brine.

Freeze drying
Vacuum evaporation
Electrolytic
Solar evaporation

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Chemical Process
Comparing sulphate process with sulphite process, we find that __________ in the later.

Pressure is more in the former whereas temperature is less
Temperature is more in the former whereas pressure is more
Both temperature & pressure in the former is less than that
Both temperature & pressure in the former is more than that

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Chemical Process
Unsaturated oils compared to saturated oils have

Higher melting point & lower reactivity to oxygen
Lower melting point & higher reactivity to oxygen
Higher melting point & higher reactivity to oxygen
Lower melting point & lower reactivity to oxygen

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