chemistry 7E topic 1 0.0 / 5 ? ChemistryAcids, bases and saltsGCSEAll boards Created by: riyag1409Created on: 29-04-13 20:15 acids and alkalis can be either.....? irritant or corrosive 1 of 12 in factories and labs what do the schools need to carry out? risk assessments 2 of 12 name some common strong acids vinegar, lemon juice 3 of 12 name 2 dangerous strong acids sulphuric and nitric acid 4 of 12 what are indicators? coloured dyes that change colour when mixed with acids or alkalis 5 of 12 what is litmus? litmus is an indicator that turns red in acid and blue in alkalis 6 of 12 what can the strength of acids and alkalis be measured from? from a pH scale which runs from 1 - 14 7 of 12 what are pH numbers 1 - 6? acids 8 of 12 what is number 7 on a pH scale neutral 9 of 12 what is 8 - 14 on a pH scale alkalis 10 of 12 what can u use to find a ph number universal indicator 11 of 12 what is neutralisation when a alkalis cancels out an acid to make it neutral 12 of 12
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