Notifications
Clear all
Materials: Metals and Non-Metals
1
Posts
2
Users
0
Likes
396
Views
0
14/04/2021 2:19 pm
Topic starter
Give reasons, why :
(i) Silver is used in jewellery.
(ii) Copper is used in electrical wiring.
(iii) Sodium is stored in kerosene oil.
1 Answer
0
14/04/2021 2:19 pm
(i) Silver does not corrode and it is malleable and ductile, therefore, it can be used in jewellery.
(ii) Copper is used in electrical wiring because it is a good conductor of electricity.
(iii) Sodium has low ignition temperature. It oxidises quickly and bums when exposed to air. It can only be stored in a liquid hydrocarbon like mineral oil or kerosene oil.