A) (i) is a chemical change; (ii) is a physical change.
B) (i) is a physical change; (ii) is a chemical change.
C) (i) and (ii) both are physical changes
D) (i) and (ii) both are chemical changes
Correct Answer: B
Solution :
In (i) state is changed whereas in (ii) new products are formed as a result of ignition.
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