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.