match the following:
column A. column B
1.mixture. 1.calcium oxide
2.sodium. 2.air
3.calcium and oxygen 3.a magnetic sub
4.mixture of gases. 4.an impure sub
5.iron. 5.Na
PLEASE GIVE ME THE CORRECT ANSWER
Answers
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Answer:
1st with 4th; 2nd with 5th; 3rd with 1st; 4th with 2nd; 5th with 3rd
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