Whichh of the following is correct about heavy water ?

Options

A. Water at `4^(@)C` having maximum density is known as heavy water.
B. It is heavier than water `(H_(2)O)`
C. It is formed by the combination of heavier isotope of hydrogen with oxygen.
D. None of these

Answer

C

Explanation

Heavy water is formed by the combination of heavier isotope `(""_(1)H^(2)" or D")` with oxygen.
`2D_(2)+O_(2)rarr underset("Heavy water")(2D_(2)O)`