State one use each of the following non-metals: Copper, Aluminium, Iron, Silver, Gold, Mercury
(a) State five characteristics of metals and five characteristics of non-metals.
(b) State five uses of metals and five uses of non-metals.
Classify the following into metals and non-metals:
Copper, iron, graphite, sulphur, aluminium, oxygen
Fill in the following balnks with suitable words:
(a) Metals are ........................... conductors of heat and ............................
(b) Most non-metals are ........................... conductors of heat and ...........................
(c) Phosphorous is a very ........................... non-metal.
(d) Metals react with acids to produce ........................... gas.
(e) Iron is more ........................... than copper.
(f) Metals form ........................... oxides whereas non-metals form ........................... oxides.
(g) Sulphur forms ........................... oxide whereas magnesium forms ........................... oxide.
(h) A non-metal is used to make an antiseptic solution called tincture ...........................