(a) State any three differences between the physical properties of metal and non-metals. (b) Differentiate between metals and non-metals on the basis of their chemical properties. (c) State three reasons (of which at least one must be chemical) for believing that sodium is a metal. (d) State three reasons (of which at least one must be chemical) for believing that sulphur is a non - metal. (e) Which non-metal has been placed in the reactivity series of metal?

(a) State any three differences between the physical properties of met

1.	(a) State any three differences between the physical properties of metal and non-metals. (b) Differentiate between metals and non-metals on the basis of their chemical properties. (c) State three reasons (of which at least one must be chemical) for believing that sodium is a metal. (d) State three reasons (of which at least one must be chemical) for believing that sulphur is a non - metal. (e) Which non-metal has been placed in the reactivity series of metal?
Answer» (a) State any three differences between the physical properties of metal and non-metals. (b) Differentiate between metals and non-metals on the basis of their chemical properties. (c) State three reasons (of which at least one must be chemical) for believing that sodium is a metal. (d) State three reasons (of which at least one must be chemical) for believing that sulphur is a non - metal. (e) Which non-metal has been placed in the reactivity series of metal?