The melting point of ice and the boiling point of water are taken as standard fixed pointsIs it correct ?

The melting point of ice and the boiling point of water are taken as s

1.	The melting point of ice and the boiling point of water are taken as standard fixed pointsIs it correct ?
Answer» SOLUTION :No , the MELTING point of ice and boiling point of WATER change if the PRESSURE changes and impurities are DISSOLVED in water.