MEDIUM
9th Tamil Nadu Board
IMPORTANT
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How are homogenous solutions different from heterogeneous solution? Explain with examples.

Important Questions on Matter Around Us

HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vii
Write the differences between elements and compounds and give an example for each.
MEDIUM
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vii
Explain Tyndall effect and Brownian movement with suitable diagram.
HARD
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 10 - Matter Around Us>textbook exercises>Q vii
How is a mixture of common salt, oil and water separated? You can use a combination of different methods.