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Is Matter Around Us Pure
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08/11/2021 5:51 pm
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Define a compound. Give two points of evidence to show that sodium chloride is a compound.
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08/11/2021 5:51 pm
A chemical compound is a substance made up of two or more elements combined together chemically in a fixed proportion by mass.
Sodium chloride is a compound because
1. It consists of two elements sodium and chlorine and the product formed from these is different from the constituent elements.
2. It has a fixed proportion of constituents by mass.