Question

⚫separation techniques like ⚫
centrifugation
evaporation
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Answer 1

Distillation
filtration
sublimation
decantation
precipitation
fractional distillation
sieving
crystallisation
simple distillation
chromatography
hope it helps

Answer 2

Gravity Method

Hand picking method

Electrolysis

Magnetic separation method.

Chemical reaction to reduce in one form.