Explain the following :
Why is the tungsten used almost exclusively for filament of electric lamps?

Explain the following : Why is the series arrangement not used for domestic circuits?

Explain the following : Why are copper and aluminium wires usually employed for electricity transmission?

Explain why the following system is not aromatic.

Explain the following giving reason why HNO_3 can act as oxidising agent only while HNO_2 can act as both oxidising and reducing agent .

Explain why sportsmen use shoes with spikes.