1.

Give two examples of substances which can be separated by the methods. (i) Fractional crystallization (ii) Sublimation (iii) Magnetic separation (iv) Gravity method (v) Filtration (vi) Distillation (vii) Diffusion (viii) Solvent extraction (ix) Dissolution in suitable solvent

Answer»

Solution :(i) POTASSIUM nitrate and sodium chloride
(II) Iodine and sand
(iii) Nickel and lead
(iv) Saw dust and sand
(v) Chalk and water
(vi) Salt and water
(VII) Sulphur and sand
(viii) CARBON dioxide and hydrogen


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