passes through. When liquid Z is vaporized, another white residue remains. Sample X is best classified as
1. an element
2. a compound
3. a homogenous mixture
4. a heterogenous mixture
thanks for your help!When sample X is passed through a filter paper a white residue, Y, remains on the paper and a clear liquid, Z?
Look up the definitions of the proposed answers and the correct choice should become obvious...
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