Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Why phosphorous is stored in a bottle containing water?

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Phosphorous is a very reactive non-metal. If it is kept open in air, it react with the oxygen present in the air and catches fire. So, in order to prevent the reaction of phosphorous with air it is stored in a bottle containing water.