Class 9 Chemistry Study App | Isotopes Trivia e-Book PDF
Class 9 Chemistry MCQs (Grade 9) From Textbook

Class 9 Chemistry MCQs – Certification Test 9

Isotopes Trivia (Question 9) – App & e-Book Download

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MCQ 9: Water that contains H-2 atoms is called:

  1. heavy water
  2. light water
  3. pure water
  4. chlorinated water

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