Strong burns Metal ions in solution Hydrogen ions in water A red colour in water
Ethanoic acid Citric acid Nucleic acid Hydrochloric acid
Has a high concentration Has a low concentration Is completely ionised in water Is only partly ionised in water
You get more product from a strong acid You get more product from a weak acid You get more product from a hot acid You get the same amount of product from either a weak or a strong acid
Have a pH less than 7 Have a pH more than 7 Turn moist litmus paper blue Turn universal indicator purple
To stop the road surface freezing To treat steel before painting To repair the ozone layer To speed up global warming