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A b or c or d please help
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19 votes
A b or c or d please help

A b or c or d please help-example-1
User Mark Semsel
by
6.7k points

2 Answers

3 votes

Answer:

It could be that the mixture became warm.

Step-by-step explanation:

User Maher Nabil
by
6.9k points
6 votes

It would be B. the mixture became warm, as a change in temperature is certain evidence that a chemical reaction has taken place.

User Misantorp
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