Question

B. Write true or false for the following
statements.
(1) All physical changes take place either
by absorption or the release of heat
energy
(ii) The chemical equation is a statement
that describes a chemical reaction in
terms of symbols and formulae.
(iii) The sign of arrow (™) is read to yield
or to form.
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Answer 1

Answer:

1)true

2)true

3)false