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Chemistry CBSE Live product
Class 9 (2026-27)
Exploring Mixtures and Their Separation
PT1 Revision II - Exploring Mixtures and Their Separation
3.
A&R - Seperation techniques
Question:
1
m.
Give
the
best option
answer:
Assertion (A)
Alum is added to muddy water to make the suspended particles settle faster.
Reason (R)
Alum causes fine particles to combine into larger and heavier particles.
Both A and R are true, and R is the correct explanation of A
Both A and R are true, but R is not the correct explanation of A
A is true, but R is false
A is false, but R is true
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