Perfect 6 marker for making soluble and insoluble salts?

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rebeccamaria
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#1
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I am really struggling to get my head around it all, has anyone got a method that could be used as a perfect 6 marker. Many thanks in advance
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drogon
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1) go to shop
2) buy salt
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TheConfusedMedic
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soluble salts:
1) metal + acid --> salt + hydrogen
2) acid + base --> salt + water
3) acid + alkali --> salt + water
4) crystallisation:
- metal or base added to acid until all of acid has reacted
- mixture filtered to remove excess solid
- left with solution of salt
- water is evaporated from solution so it crystallises and a solid salt is made

insoluble salts:
1) combine 2 solutions containing 2 different soluble salts which forms an insoluble precipitate
It is used for treating water for drinking or in treating effluent.

I think that's all we need to know for C2 tomorrow
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rebeccamaria
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(Original post by surina16)
soluble salts:
1) metal + acid --> salt + hydrogen
2) acid + base --> salt + water
3) acid + alkali --> salt + water
4) crystallisation:
- metal or base added to acid until all of acid has reacted
- mixture filtered to remove excess solid
- left with solution of salt
- water is evaporated from solution so it crystallises and a solid salt is made

insoluble salts:
1) combine 2 solutions containing 2 different soluble salts which forms an insoluble precipitate
It is used for treating water for drinking or in treating effluent.

I think that's all we need to know for C2 tomorrow
Thank you so much ☺☺ xo
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