4
Question Question 4
With reference to the following metals state their – use in daily life
Metals:
(a) copper
(b) iron
(c) aluminium
(d) magnesium
(e) zinc
(f) lead
(g) silver
(a) Copper is used in :
- making electrical cables
- making utensils
(b) Iron is used in :
- construction of bridges
- making utensils, surgical instruments (in the form of stainless steel)
(c) Aluminium is used in :
- making utensils
- packaging
(d) Magnesium is used in :
- fireworks
- for making alloys called magnalium and duralumin.
(e) Zinc is used in :
- galvanization
- dry cells.
(f) Lead is used in:
- flexible pipes
- tips of bullets
(e) Silver is used in :
- making jewellery and coins
- making thin sheets to decorate sweets