1. Fill in the blanks.
(a) A new substance is always formed in a
... change.
(b) Melting of ice is a
..... change.
(c) When a candle burns, wax melts. melting of
wax is a ...
....... change.
(d) Chemical change occurs as a result of
between two substances.
(e) Burning of a fuel is a ......
change.
() Revolution of the earth around the sun is a
....... change.
(g) Growing of a seedling into a plant is
change.
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Explanation:
Answer:
1-chemical change
2-physical change
3- physical change
4-not Clear
5-chemical change
6- physical change ( i am confused
7-chemical change