1. Which of the following observations helps us to determine that a chemical change has taken place?
a Change in temperature b. change in colour
c. evolution of gas
d. all of these
Answers
Answered by
6
Answer:
d .all of this is answer if right mark me as brainliest and follow me pls
Answered by
4
Answer:
d - all of those
Explanation:
All the options are characteristics of a chemical change so answer is all of those.
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