Interpretation:
Whether the conversion of a substance into a new substance always indicates that a
Concept introduction:
In a chemical reaction, atoms of one or more substances react to form new substances.
Answer to Problem 61A
A substance which is changes into new substance, it always has to be via a chemical reaction.
Explanation of Solution
No new substance is formed in a physical change. Only chemical change results in the formation of new substances via chemical reactions. Also, in conversion of ice to liquid water, no new substance is formed. Here, ice and liquid water both have same chemical formula that is
There is no new substance is formed in a physical change. Only chemical change results in the formation of new substances via chemical reactions.
Chapter 9 Solutions
Chemistry: Matter and Change
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