State any two observations in an activity which may suggest that a chemical reaction has taken place.Give an example to support your answer.
Answers
Answered by
1
Explanation:
there are many observations like
change in temperature..
change in colour
gas production
heat is evolved and many more
Similar questions
English,
8 months ago
Business Studies,
8 months ago
Social Sciences,
8 months ago
Biology,
1 year ago