classify as pure/impure substance (1)air (2) iron (3) nocl (4) milk (5) lead (6) 22 carat gold (7) sugar solution
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0
Answer:
1,3,4,6,7 are impure and 2,5 are pure substances
Answered by
1
Answer:
1 impure
2pure
3pure
4impure
5pure
6impure
7impure
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