Question

5. Which of the following represents a chemical change? a.
Photosynthesis b. Digestion of food. c. Beating aluminium to
make aluminium foil. d. Melting of wax.
*
O All4
O Only a
O Only be
O Both a and b
O Only c
O Only d
Both c and d​

Answer 1

Answer:

Both a and b

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Answer 2

Answer:

both a and b. ............