(a(i))[1]
On the structure, circle the carboxylic acid functional group.
(a(ii))[1]
Deduce the formula of compound J so that the numbers of carbon, hydrogen and oxygen atoms are shown.
(a(iii))[2]
Complete the table to work out the relative molecular mass of compound J. Use your Periodic Table for support.
(b)[2]
Complete the word equation for hydrochloric acid reacting with calcium oxide.
(c(i))[1]
Give the name of the compound with the formula $\text{CaSO}_4$.
(c(ii))[2]
Ammonia is [BLANK] at room temperature. Aqueous ammonia changes damp red litmus paper to [BLANK].