s - block Elements (Alkali and Alkaline Earth Metals)
Sodium burns in excess air to give mainly:
Why is calcium preferred over sodium to remove last traces of moisture from alcohol?
Both $$ Na $$ and $$ Ca $$ react with water forming their respetive hydroxides. In contrast, $$ Na $$ reacts with alcohol to form sodium alkoxide but $$ Ca $$ does not.
Sodium burns in excess air to give mainly:
Caustic alkalis are corrosive.
Sodium metal cannot be stored under
The violet flame shown by potassium in Bunsen flame is due to jumping of the electron from :
A metal which does not react with nitrogen is:
Why is calcium preferred over sodium to remove the last traces of moisture from alcohol?
Why is sodium metal kept under kerosene oil ?
The alkali metal that reacts with nitrogen directly to form nitride is:
When sodium is heated in moist air, the ultimate product obtained is:
Potassium is kept in