Maximum density of `H2O` is at the temperature

Maximum density of H_(2)O is at the temperature

Density of water is maximum at the temperature of ………………. .

The density of O_2 is 16 at NTP. At what temperature its density will be 14 ?Consider pressure remains constant at

Density of H_(2)O is maximum at :

Density of H_(2)O is maximum at :