Applications and safety measures of separation techniques — task. Science CBSE, Class 9 New.

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Choose the correct answer:

1. Which technique is used in wastewater treatment plants?

Centrifugation
Coagulation
Sublimation
Distillation

2. While using alum in coagulation, what safety measure should be followed?

Shake vigorously
Taste the solution
Handle with clean hands and avoid contact with eyes
Heat strongly

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