SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Alex wants to mix two substances together and to find out if a chemical reaction happens. What should he do?
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test the solubility before and after mixing
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measure the volume before and after mixing
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measure the mass before and after mixing
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test the density of the before substance but not the after substances.
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Explanation:
Detailed explanation-1: -Alex wants to mix two substances together and to find out if a chemical reaction happens. What should he do? test the density of the before substance but not the after substances.
Detailed explanation-2: -Combination reactions occur when two or more substances combine to form a new substance.
There is 1 question to complete.