Indicators and PH scale 0.0 / 5 ? ChemistryAcids, bases and saltsIGCSEEdexcel Created by: AmarasarwarCreated on: 30-01-20 04:45 What is an indicator? chemical used to detect whether a substance is an acid or alkali 1 of 6 what numbers are acids? 6,5,4,3,2,1,0 2 of 6 what numbers are alkali? 8,9,10,11,12,13,14 3 of 6 what number is neutral? 7 4 of 6 Name liquid indicators universal, methyl orange, phenolphthalein 5 of 6 What are the two other indicators? Blue and red litmus paper 6 of 6
Comments
No comments have yet been made