Asked by Sara
                We did a experiment in class to recognize chemical change.
I don't really get this question: Identify the combinations of chemicals in which chemical changes occurred.
If the chemical changes occured in all of the combinations, then what would be a good answer?
I get the second part which is: What evidence showed that chemical changes had occured. ~ New colour arose.
            
        I don't really get this question: Identify the combinations of chemicals in which chemical changes occurred.
If the chemical changes occured in all of the combinations, then what would be a good answer?
I get the second part which is: What evidence showed that chemical changes had occured. ~ New colour arose.
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