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Study the given experimental set-up. ...

Study the given experimental set-up.

Substances will completely disappear in test tubes

A

1, 2 and 6

B

2, 3 and 4

C

3, 4 and 5

D

4, 5 and 6

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The correct Answer is:
A

Sand, chalk powder and sawdust are insoluble in water. They settle down in the test tubes, Sugar, common salt and washing powder are soluble in water and disappear.
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