A solid mixture of naphthalene, sodium chloride and sand is to be separated into its three components. Which procedure achieves this?

1. AAdd water and filter; evaporate the filtrate to get NaCl; sublime the residue on the filter paper so that naphthalene sublimes leaving sand
2. BAdd water and filter; sublime the filtrate to obtain NaCl
3. CSublime the mixture; then sublime the residue again to separate NaCl from sand
4. DAdd water and shake in a separating funnel to obtain naphthalene as a lower layer