Multiple choice general knowledge science & technology

What is chemical formula for heavy water?

  1. H2O

  2. D2O

  3. T2O

  4. H2O2
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B Correct answer
Explanation

Heavy water uses deuterium (D), a heavy isotope of hydrogen, instead of regular hydrogen. The formula is D2O. H2O is regular water, H2O2 is hydrogen peroxide, and T2O uses tritium.

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