which of the following are chemical change ?(i) decaying of wood (ii) burning of wood (iii) sawing of wood (iv) hammering of nail into woodA. (i) and (ii)B. (ii) and (iii)C. (iii) and (iv)D. (i) and (iv)

which of the following are chemical change ?(i) decaying of wood (ii)

1.	which of the following are chemical change ?(i) decaying of wood (ii) burning of wood (iii) sawing of wood (iv) hammering of nail into woodA. (i) and (ii)B. (ii) and (iii)C. (iii) and (iv)D. (i) and (iv)
Answer» Correct Answer - (a)

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which of the following are chemical change ?(i) decaying of wood (ii) burning of wood (iii) sawing of wood (iv) hammering of nail into woodA. (i) and (ii)B. (ii) and (iii)C. (iii) and (iv)D. (i) and (iv)

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