please answer me the answer fast and please answer all
Attachments:
Answers
Answered by
0
Answer:
Q- 7 -->chemical change is the permanent change . Because it is irreversible . And physical changes is the property that changes according to temperature , pressure and force .
Q8 - changes where chemical properties follows not physical changes .
Q8 - Rusting only took place when it find a favourable conditions like , moisture in air ( presence of H2O molecules) .
Answered by
1
Answer:
ANSWER:1 Chemical change is the permanent change.
2 Chemical change is a process in which the change will remain permanent like burning of paper, boiling of egg , etc.
3 The reaction between moisture and air is required for the rusting of iron.
Explanation:
I hope it will help you.
Similar questions