Question

True Or False 1. Formation of manure from leaves is a physical change. 2. Iron pipes coated with zinc do not get rusted easily.
3. Iron and rust are the same substances.
4. The chemical name of baking soda is Sodium hydrogen carbonate.
5. Changes in which new substances are formed are called chemical changes
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Answer 1

Answer:

1.false

2.false

3.false

4.true

5.true

Answer 2

Answer:

1)true

2) false

3)false

4)true

5)true

Explanation:

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