Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iv) Bending of an iron rod
(v) Drawing a wire of iron metal

Which among the following are physical or chemical changes? Heating of an iron rod to red hot.

Which of the following metals is used in galvanisation of iron?

Which of the following method is used to prevent rusting of iron?

Classify the following into physical and chemical changes. Rusting of iron

Which of the following metals can be used for making wires? Iron

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