What is the main type of acid found in acid rain?
Sulphuric acid | Ethanoic acid | Nitric acid | Hydrochloric acid
What is the chemical name of vitamin B1?
Thiamine | Riboflavin | Pyridoxine | Niacin
Beriberi is a disease caused by the deficiency of which vitamin?
Which acid is contained within the sting of a stinging nettle?
Hydrochloric | Ethanoic | Formic | Nitric
By what abbreviation is deoxyribonucleic acid commonly known by?
What colour does litmus paper turn in the presence of acid?
Blue | Green | Red
