Identify physical and chemical changes among the following.
(a) Boiling of milk
(b) Ripening of fruits
(c ) Curding of milk
(d) Melting of candle
(e ) Rusting of iron
(f) Blackening of silverware

Identify the physical changes and chemical changes in the following . (i) Curdling of milk (ii) Sawing of wood (iii) Melting of vegetable ghee (iv) Bending of an iron rod (v) Drying of a leaf

Classify the following as physical and chemical changes. (i) Conversion of milk into curd (ii) Burning of magnesium ribbon in air (iii) Rusting of iron nails (iv) Dissolving salt in water (v) Burning of cool (vi) Electrolysis of sodium chloride solution by passing current (vii) Crystallisation of copper sulphate.

Identify a, b, c,d,e and f in the following table :