Chemistry method topic 5

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what is the first step of how to obtain crystals from insoluable bases and carbonates
You first need to put goggles on and tie hair back
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second step
measure out 50cm3 of sulphuric acid (any acid) into a 250cm3 beaker.
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step 3
add a spatula of copper oxide(base) powder and stir the mixture untill it has reacted.
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step 4
warm the acid using a bunsen burner. don't let it get hotter than 60c (we did not do this stage as this can be dangerous)
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step 5
add copper oxide untill there is lumps of copper at the bottem.
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step 6
filter the mixture.
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step 7
evaporate half of the liquid and then leave to cool.
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Card 2

Front

second step

Back

measure out 50cm3 of sulphuric acid (any acid) into a 250cm3 beaker.

Card 3

Front

step 3

Back

Preview of the front of card 3

Card 4

Front

step 4

Back

Preview of the front of card 4

Card 5

Front

step 5

Back

Preview of the front of card 5
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