Asked by Anonymous
which of the following is a reliable way to observe that a chemical changed occurred when two substances come in contact with one another?
Answers
Answered by
DrBob222
I don't see any of "the following".
However, production of heat, change of color, change in odor, formation of gas, formation of precipitate, are reliable indicators of a chemical change.
However, production of heat, change of color, change in odor, formation of gas, formation of precipitate, are reliable indicators of a chemical change.
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