Question

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.​

Answer 1

Explanation:

1. chemical change.
2. physical change.
3. physical change.
4. chemical change occurs as a result of between two substances. this line is true.
5. chemical change.
6. physical change (not sure about this answer)
7. chemical change

Answer 2

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