School Past Paper

YEAR 11 Chemistry Topic Test intellect 2006 20% Name: __________________ 1. Briefly describe an experiment you carried tote up in to separate a dissolved solid from its solution. 4 tag Name the: solution: _______________ solute:______________ solvent: _________________ Aim:____________________________________________________________ ___________ rule: ____________________________________________________________ ________ ____________________________________________________________ ________________ ____________________________________________________________ ________________ ____________________________________________________________ ________________ plot (labeled): 2. Water of crystallization in a mingled pile be removed by change the complicated in a crucible. Determine the percentage of water supply of crystallization in a compound using the following experimental results: feces of empty crucible: 23.64g; mass of crucible plus compound: 27.72g; mass of crucible plus compound after passion: 26.56g. 2 marks ____________________________________________________________ _______________ ____________________________________________________________ _______________ ____________________________________________________________ _______________ ____________________________________________________________ _______________ ____________________________________________________________ _______________ 3. a) Explain the difference between play and electrolysis of water in terms of chemical and physical change. 1 mark ____________________________________________________________ _______________ ____________________________________________________________ _______________ b) Describe the process of electrolysis as evidence that water is a compound. 2 marks ____________________________________________________________ _______________ ____________________________________________________________ _______________...If you want to get a full essay, mark it on ou! r website: OrderEssay.net

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