Question

How is heavy water prepared? Compare its physical properties with those of ordinary water?

Answer 1

Answer:

Heavy water or hard water is prepared by adding carbonates or bicarbonates of Sodium to water

Hard water contains Sodium and Magnesium salts

Hard water forms scum when mixed with soap

Answer 2

Answer: Heavy water(D2O) is prepared from the isotope of Hydrogen named as Deuterium.

Explanation: Isotopes have same atomic number but different mass number.Heavy water is also used in nuclear reactors.