Q. 3 A student was given a mixture containing copper oxide (insoluble) and copper sulfate (soluble) and asked to separate them. Firstly, she stirred the mixture into water, then filtered it. Next, she evaporated the filtrate.
What substance was the residue in the filtration?
Which substance was filtrate?
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Answer:
copper oxide is the residue substance because it is insoluble.
b) Filtrate was copper sulphate because it is soluble substance and its solution in mixture properly.
c)property allowed that copper sulphate is soluble that's all you in the mixture and copper oxide with is not soluble it doesn't mix in the mixtures this is the property of those substances.
Explanation:
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