Chemical Process
Superior quality laboratory apparatus is made of the __________ glass having low thermal co-efficient of expansion & high chemical resistance.

Pyrex
Soda
Potash
Flint

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Chemical Process
Unsaturated oils compared to saturated oils have

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

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