Multiple choice general knowledge science & technology

Heavy water is

  1. deuterium oxide

  2. PH7

  3. rain water

  4. tritium oxide
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Heavy water (D2O) is deuterium oxide - water where the hydrogen atoms are replaced by deuterium, hydrogen's heavy isotope containing one proton and one neutron. It's about 10% denser than regular water.

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