A white ring of solid ammonium chloride forms where the two gases meet inside the tube. If necessary, protect non-glass surfaces of an overhead projector with clear plastic. Dip one Q-tip into ...

The fertiliser ammonium sulfate was made by reacting ammonia solution with dilute sulfuric acid. In the first step, 25 cm 3 of dilute sulfuric acid was placed in a beaker. Give the name of a piece ...