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