1.

(a) What is diamond ? Of what substance is diamond made ?(b) Explain why, diamond has a high melting point.(d) State any two uses of diamond.

Answer»

(a) Diamond is a colourless transparent substance having extraordinary brilliance. It is made up of carbon.

(c) Diamond has a high melting point because a lot of heat energy is required to break the network of strong covalent bonds in the diamond crystal.

(d) (i) Used in rock drilling equipment (ii) Used in making jewellery.



Discussion

No Comment Found