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TO SEPARATE SAND AND COMMON SALT IN PURE AND DRY STATE FROM THE MIXTURE OF THEM

A. OBJECT:  TO SEPARATE SAND AND COMMON SALT IN PURE AND DRY STATE FROM THE MIXTURE OF THEM. B. APPARATUS REQUIRED: 1. Funnel 2. Filter paper 3. Burner 4. Porcelain basin 5. Test tube 6. Wire gauze. C. CHEMICALS REQUIRED: 1. SALT AND COMMON SAND. 2. SILVER NITRATE (AgNO3)  SOLUTION. D. THEORY:  When a mixture & voluble and insoluble solid is dissolved into proper solvent, one of the component gets dissolved leaving unchid another component undissolved. Then component from the mixture can be separated by filtration followed by sucessive physiochemical treatment. Filtration is the process separating the water insoluble component of the volution by of porus medium like filter paper. means The insoluble component remain in filter paper as residue. The soluble component obtained is called filtrate. filtrate contain Sodium chloride (NACL) solution and pure sand is oblained by washing of sand by water and pure volt is obtained by washing! evaporating the filtrate. PROCEDURE:...