1) In this experiment, what property of NaCl is used to separate it from the other two components? Is this a chemical or physical property?
2) In this experiment, what property of CaCO3 is used to separate it from SiO2? Is this a chemical or physical property?
3) Explain what the effect on the percentage of each component would be if the student did not fully dry the evaporating dish after Step 7.
Effect on Salt:
Effect on Sand:
Effect on Chalk:
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