Question

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1. A reversible change is one in which the__ substance can be removed.
2. When carbon dioxide gas is passed through lime water it turns__.
3. two methods by which listing of iron can be prevented are _ and _.
4. changes in which only _ properties of a substance changes are called physical changes.
5. Changes in which new substances are formed are called _changes.​

Answer 1

Answer:

1. original

2.milky

3.powder coating and greasing

4.physical

5.chemical