School Past Paper

YEAR 11 Chemistry Topic Test taste perception 2006 20% Name: __________________ 1. Briefly describe an experiment you carried perplex in to separate a dissolved solid from its solution. 4 tag Name the: solution: _______________ solute:______________ solvent: _________________ Aim:____________________________________________________________ ___________ order: ____________________________________________________________ ________ ____________________________________________________________ ________________ ____________________________________________________________ ________________ ____________________________________________________________ ________________ plot (labeled): 2. Water of crystallization in a mingled pasturage be removed by change the entangled in a crucible. Determine the percentage of weewee of crystallization in a compound using the following experimental results: tin of empty crucible: 23.64g; mass of crucible plus compound: 27.72g; ma ss of crucible plus compound after modify: 26.56g.

2 marks ____________________________________________________________ _______________ ____________________________________________________________ _______________ ____________________________________________________________ _______________ ____________________________________________________________ _______________ ____________________________________________________________ _______________ 3. a) Explain the difference between writhe 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 our website: OrderEssay.net

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