Chemistry and Matter around us pure

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Sodium metal is a pure substances and so is sodium chlpride,inspite of the fact that sodium chloride contains two different element.explain.
Subject
Level
Highschool
Grade
9

Principles and applications of dye from ink

Subject
Level
Highschool
Grade
9

How is dog different from smoke ?

Subject
Level
Highschool
Grade
9
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