Question

CLASS 9 SCIENCE CHAPTER 2
FILL IN THE BLANKS:
1.A mixture of iodine in___ is called tincture iodine.
2. ____is used for separating dyes in blank ink.
3. _____ method is used to purify solids.
4. There are ____ phases present in a colloidal solution.​

Answer 1

Answer:

1)alchol and water

2)chromatographymethod

3)recrystallisation

4)two

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Answer 2

Answer:

1. alcohol and water

2. chromatography method

Explanation:

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