Question

Heavy water is represented as

• A. $H_2^{18}O$
• B. $D_{2}O$
• C. $D_2^{18}O$
• D. $H_{2}O$ at $4^{\circ }C$

Answer 1

Answer: (B)

Heavy water is oxide of heavy hydrogen ie, deuterium with ${}^{16}O$
Heavy water is the oxide of heavy hydrogen (deuterium), hence named heavy water. It is represented by $D_{2}O$ It is used in nuclear reacter as moderater