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Summary Complete required practicals notes for AQA GCSE Chemistry

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Required practical notes for AQA GCSE Biology, include detailed method, equipment list, variables, and expected results for practicals 1 and 2: 1. Salt making 2. Titrations This is a test document - if you like the layout please consider checking out AQA GCSE Biology required practical notes...

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  • May 1, 2022
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APPARATUS
REQUIRED
PRACTICALS  dilute sulfuric acid
 a measuring cylinders
 copper (II) oxide powder
 a spatula
AIM
 a glass rod
 a 100 cm3 beaker
Making soluble salts: preparation of  a 250 cm3 beaker
pure dry copper sulphate crystals  a Bunsen burner
 a tripod
 gauze
VARIABLES
 a heatproof mat
 a filter funnel and paper
Independent variable: the metal  a small conical flask
oxide (or carbonate) that is used  an evaporating basin
 a crystallizing dish.
Dependent variable: the salt
produced
Control variables: fixed volume of
sulfuric acid (the limiting reactant in METHOD
the equation), the acid used

1: SALT MAKING 1. Measure 40 cm^3 sulfuric acid and put into
the 100 cm^3 beaker
2. Set up the Bunsen burner, tripod, and
POSSIBLE QUESTIONS: heatproof mat: put the beaker on the gauze
“Describe a method to make and heat the acid gently until it is almost
pure, dry crystals of
magnesium sulfate from a
metal oxide and dilute acid”
- Be as specific as
possible
- Include variables
- Follow a logical
sequence




boiling. Turn off the Bunsen burner
3. Remove the beaker from the tripod and add
small amount of copper (ii) oxide using a
spatula to acid, stir with a glass rod until it is
dissolved, and the solution is blue
4. Keep repeating the previous step until the
solution is super saturated and no more

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