B7jer7aHaautzzz B7jer7aHaautzzz

11-10-2016
Chemistry

Answered

What is the most obvious sign of a chemical change in this reaction.

Aa gas was produced.
Bthe powder mixed with the water.
Cthere was a change in temperature. eliminate
Dthe powder dissolved in the water.?

Verified Answer :

AnormalGuyWithaRifle AnormalGuyWithaRifle

11-10-2016

The correct answer would be "A" a gas was produced. A chemical change is when a compound changes shape or form. In this instance it changed from a liquid or solid, to a gas.

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