Question

Which of the following statements is true?
a. Only very few chemical reactions are reversible

b. Chemical changes are reversible

c. The growth of a tree is periodic change

d. Rusting of iron is a fast change


please answer the question if you know perfectly
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Answer 1

Answer:

Option C the growth of a tree is a periodic change

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Answer 2

Explanation:

d.Rusting of Iron is fast change

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