Chemistry·MCQ Practice

Occurrence and Isotopes of Hydrogen — MCQ Practice

NEET UG

Version 1Updated 22 Mar 2026

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Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 6 questions available.

Q1medium

Which of the following statements about the isotopes of hydrogen is INCORRECT?

Q2easy

Which of the following is NOT a significant terrestrial source of hydrogen?

Q3easy

What is the number of neutrons in a tritium atom?

Q4medium

Which of the following properties is expected to be higher for $D_2O$ compared to $H_2O$ ?

Q5easy

The most abundant element in the universe is:

Q6medium

Which isotope of hydrogen is used as a moderator in nuclear reactors?