Question

Fill In The Blanks....

1.Carbon dioxide gas turns limewater__________.

2.Iron Filings on heating with sulphur form iron___________.

3.Burning of petrol is a_____change.

4.______and______are necessary for rusting.

5.Crystals of a substance are obtained from its________solution.


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Answer 1

Answer:

Carbon dioxide gas turns limewater milky.

Iron Filings on heating with sulphur form iron ferrous sulphide.

Burning of petrol is a chemical in change.

Air and water vapour are necessary for rusting.

Crystals of a substance are obtained from its crystallisation solution.

Explanation:

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