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Chemistry, 21.06.2019 23:10
Which statement describes both homogeneous mixtures and heterogeneous mixtures?
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This question is about electrolysis. metal spoons can be coated with silver. this is called electroplating. suggest one reason why spoons are electroplated?
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Chemistry, 22.06.2019 06:00
Compare and contrast physical changes with chemical changes.
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Ions can have a positive or negative charge. false or true...
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