Which of the following is a pure
substance
O(1) Milk
O (2) Air
O(3) Copper
(4) None of these
Answers
Answered by
1
Answer:
please mark me as brainliest
Explanation:
1 milk is right anss
Answered by
0
Answer:
non of these
Explanation:
because milk have water and air have some other gases copper have some small amaount of other metals
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