Classify the following as physical changes and which are chemical changes ?
(i) cooking of food (ii) Boiling of water
(iii) Cutting of tress (iv) Dissolving salt in water
(v) Digestion of food (vi) Melting of ice

Which of the following are physical changes and which are chemical changes ? Cooking of food

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.

which of the following as physical changes and which are chemical changes changes ? (a) Burning of a maggesium wire (b) Freezing of water ( c) Rusting of iron (D) Glowing of an electric bulb

Classify the following as chemical or physical changes. melting of butter in a pan

which of the following are chemical change ? (i) decaying of wood (ii) burning of wood (iii) sawing of wood (iv) hammering of nail into wood

Classify the following as chemical or physical changes. dissolving common salt in water

Classify the following as chemical or physical changes. boiling of water to form steam

Classify the following into physical and chemical changes. freezing of water

Classify the changes involved In the following processes as physical or chemical changes : Digestion of food