The drawing shows a simple way of purifying salt water.What is this process called? 
A) filtration
B) distillation
C) ozonation
D) chlorination
Correct Answer:
Verified
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A)A measure
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Q63: Which compound has an incorrect formula?
A)MgPO4
B)(NH4)2S
C)Mg(HSO3)2
D)NaClO4
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A)CaSO3
B)Ca2SO4
C)Mg(CO3)2
D)Na2PO4
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