Q.2 True and False. (5)
(1) New substances are formed in a physical change.
(2) A chemical reaction always involves formatioin of one or more substances.
(3) A physical change can be easily reversed.
(4) A chemical equation describes a chemical reaction.
(5) Carbon dioxide and water are elements
give all anawer prperly
Answers
Answered by
0
Answer:
1 false
2 true
3 true
4 true
5 false
Similar questions