Which of the following changes gives no evidence that a chemical reaction has taken place?
a...
Mathematics, 23.11.2019 02:31, belladaviau1338
Which of the following changes gives no evidence that a chemical reaction has taken place?
a cube of solid forms a puddle of liquid.
a certain liquid is added to a solid, and bubbles of gas form.
two liquids are mixed, and a precipitate forms.
heating a blue solid turns the solid white.
Answers: 2
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