Name: __________________ 1. Briefly describe an experiment you carried come in to separate a dissolved solid from its solution. 4 tag Name the: solution: _______________ solute:______________ solvent: _________________ Aim:____________________________________________________________
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2. Water of crystallization in a mingled sess be removed by change the compound in a crucible. Determine the percentage of water of crystallization in a compound using the following experimental results: crapper of empty crucible: 23.64g; mass of crucible plus compound: 27.72g; mass of crucible plus compound after heating: 26.56g.
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3. a) Explain the difference between turn and electrolysis of water in terms of chemical and physical change. 1 mark
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_______________ b) Describe the process of electrolysis as evidence that water is a compound. 2 marks
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