C: 3
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When a compound X is reacted with sodium carbonate, carbon dioxide gas is evolved. What could be the formula of compo…
The diagrams show four monomers. How many of these monomers would react with the molecule below to form a polymer?
A compound Y is thought to be an organic acid. Which reaction shows that Y is an organic acid?
Which ion reacts with aqueous ammonia to give a precipitate that dissolves in an excess of ammonia?
Which statement about aqueous sodium chloride is correct?
15.0 cm³ of 1.0mol/dm³ potassium hydroxide just neutralise 20.0 cm³ of a solution of nitric acid. What is the concent…