it is stored under water because to avoid it from igniting when it comes in contact with the air.
because it is highly reactive in nature & hence is stored under water
Phosphorus.
Because it is not connected to the sea water. It is stored as under ground water
groundwater reserves stored in aquifers.
Potato
No. Potassium will react violently on contact with water. Potassium is stored under oil to protect it from air and water.
Sodium is an example of a metal that must be stored under water to prevent it from reacting with air or moisture. Sodium is highly reactive and can ignite spontaneously upon exposure to oxygen. Placing it under water helps to keep it stable.
Phosporus
No, magnesium is not typically stored under oil. Magnesium is a reactive metal that can react with water and air, so it is usually stored under a dry and inert atmosphere like argon or mineral oil to prevent oxidation.
No, it is a non metal.
Phosporus Pentachlo
In a water proof container is best.