Notes
Acids and Alkalis
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An acid is something that is from 1 to 6 on the ph scale they can neutralise alkalis litmus paper red
an alkai is from 8 to 14 ph litmus paper blue purple they can neutralise acids and dissolve in water
acid react with alkali = water + salt neutralisation reaction
water is neutral and anything neutral is 7 ph litmus paper green
risks are things that can go wrong
ph scale classify how acidic something is on a scale from 1 to 14
vinegar is acid
colgate is alkali
lemon is acid
bleach is alkali
gaviscon is alkali
concentration means that there is a lot of it in the substance
the concentration of a solution is a measure how crowded the solute particles are. the more concentrated the more particl contain in a given volume.
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- Key Stage 3 Chemistry Note on Acids and Alkalis, created by Siromer Tractors on 26/03/2022.
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