Chemistry, asked by cppchireparambil, 2 months ago

when a chemical reaction takes place in a test tube it becomes hot why?​

Answers

Answered by mahendarseervi207
1

Answer:

: A chemical reaction is a chemical change where substances react with each other to form a new substance. (i) addition of dilute acid to an active metal - The test tube becomes hot and hydrogen gas is evolved, which means heat is produced

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