The box shows some methods that can be used to separate mixtures.
crystallisationdissolvingfiltrationfractional distillationpaper chromatographysimple distillation\begin{array}{|ccc|} \hline \text{crystallisation} & \text{dissolving} & \text{filtration} \\ \text{fractional distillation} & \text{paper chromatography} & \text{simple distillation} \\ \hline \end{array}crystallisationfractional distillationdissolvingpaper chromatographyfiltrationsimple distillationThe table lists some separations. Complete the table by giving the best method for each separation. You may use each method once, more than once, or not at all.
SeparationMethodto obtain solid calcium carbonate from a mixture of calcium carbonate and waterto separate a mixture of synthetic food dyes in a sample of green food colouringto obtain pure water from a sample of seawaterto separate ethanol and water from a mixture of the two liquids\begin{array}{|l|l|} \hline \textbf{Separation} & \textbf{Method} \\ \hline \text{to obtain solid calcium carbonate from a mixture of calcium carbonate and water} & \\ \hline \text{to separate a mixture of synthetic food dyes in a sample of green food colouring} & \\ \hline \text{to obtain pure water from a sample of seawater} & \\ \hline \text{to separate ethanol and water from a mixture of the two liquids} & \\ \hline \end{array}Separationto obtain solid calcium carbonate from a mixture of calcium carbonate and waterto separate a mixture of synthetic food dyes in a sample of green food colouringto obtain pure water from a sample of seawaterto separate ethanol and water from a mixture of the two liquidsMethodA mixture of ethanol and water is separated, and two colorless liquids, C and D, are obtained. Liquid C is ethanol containing a small amount of water. Liquid D is pure water.
Describe a chemical test to show that liquid C contains water.
Describe a physical test to show that liquid D is pure water.
