A)
a phase change occurs
Chemistry, 09.11.2020 20:30 paytonxxburns05
Which is evidence that a chemical reaction has occurred?
es
A)
a phase change occurs
B)
a new gas is observed in the form of bubbles
red and yellow paint mixing to make orange paint
D)
the temperature of the substance remains constant
The correct answer is B) a new gas is observed in the form of bubbles .
Answers: 3
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You know the right answer?
Which is evidence that a chemical reaction has occurred?
es
A)
a phase change occurs
A)
a phase change occurs
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