Chemistry, 10.11.2020 19:20 isaac7454

Which situation provides the best evidence that a chemical reaction is taking place? A metal strip bends when heated.
A solution freezes in the freezer.
Two solutions mixed in a beaker produce a solid.
O A chemical completely dissolves in water and the temperature of the solution remains constant.

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Which situation provides the best evidence that a chemical reaction is taking place? A metal strip bends when heated. A solution freezes in the freezer. Two solutions mixed in a beaker produce a solid. O A chemical completely dissolves in water and the temperature of the solution remains constant.

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Another question on Chemistry

Which situation provides the best evidence that a chemical reaction is taking place? A metal strip bends when heated.
A solution freezes in the freezer.
Two solutions mixed in a beaker produce a solid.
O A chemical completely dissolves in water and the temperature of the solution remains constant.