What is the main type of acid found in acid rain?
Nitric acid | Hydrochloric acid | Ethanoic acid | Sulphuric acid
Beriberi is a disease caused by the deficiency of which vitamin?
Which acid is contained within the sting of a stinging nettle?
Formic | Nitric | Ethanoic | Hydrochloric
By what abbreviation is deoxyribonucleic acid commonly known by?
What colour does litmus paper turn in the presence of acid?
Blue | Red | Green
