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Chemistry CBSE Live product
Class 9 (2026-27)
Exploring Mixtures and Their Separation
Separation Techniques: Crystallisation, Distillation and Chromatography
9.
Safety & societal aspects in separation techniques
Question:
2
m.
Choose the correct answer:
1.
While heating a solution during experiments, what precaution should be taken?
Use a clamp and stand to hold the flask
Leave the setup on the edge of the table
Point the flask towards yourself
Hold the flask with bare hands
2.
Who is Dilip Mahalanabis and what is his contribution to society?
An Indian scientist who promoted oral rehydration therapy
A scientist who discovered salt
A biologist who studied flowers
A chemist who invented pure water
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