A) Tearing a paper
B) Heating an iron rod to bend it
C) Freezing water into ice
D) Growth of a sapling into a tree
Correct Answer: D
Solution :
Tearing a paper, bending an iron rod after heating and freezing water into ice in all these changes we do not observe the formation of any new substances. Hence, all are physical changes.You need to login to perform this action.
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