Question

03 True / False
1. Vinegar is dilute lactic acid.
2. The chemical name of vitamin D is as carbonic acid.
3. Acids produce hydrogen ions when dissolved in water.
4. The presence of oxygen and water is necessary for rusting
of iron.
5. A physical change can be reversed.​

Answer 1

Answer:

1. False

2. False

3. True

4. True

5. True.

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