You are given a hammer,a battery,a bulb,wires and a switch.
(a)How could you use them to distinguish between samples of metals and non-metals?
(b)Assess the usefulness of these tests in distinguishing between metals and non-metals?

Write two difference between metal and non metal.

Differentiate between metals and non-metals on the basis of their chemical properties.

Mention the various uses of non-metals :

The elements having intermediate properties between those of metals and non-metals are called--------

Samples of four metals A,B,C and D were taken and added to the following solutions one by one.The results obtained have been tabulated as follows. Use the table above to answer the following questions about metals A,B,C and D. (i)Which is the most reactive metal? (ii)What would you observe if B is added to a solution of copper (II) sulpahate? (iii)Arrange the metals A,B,C and D in the order of decreasing reactivity.