Chemical Process
Which of the following processes can remove both temporary as well as permanent hardness of water?

None of these
Filtration
Distillation
Boiling

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Chemical Process
Unsaturated oils compared to saturated oils have

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

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