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Class 11 Chemistry Practice Test: Hydrogen - Dihydrogen - H<sub>2</sub>
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Dihydrogen is the homonuclear diatomic molecule formed from two hydrogen atoms.

Class 11 Chemistry Practice Test: Hydrogen - Dihydrogen - H<sub>2</sub>
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10 Questions

1. Deuterium has a melting point higher than that of hydrogen.
2. Which of the following option is true regarding the boiling point of hydrogen isotopes?
3. Which of the following as a greatest relative atomic mass?
4. Protium has a greater relative abundance than tritium.
5. Which of the following statements is true regarding the density of isotopes of the hydrogen?
6. How much percent of the total mass of the Universe is dihydrogen?
7. Which of the following is not an isotope of hydrogen?
8. Which of the following is Radioactive?
9. Deuterium is also known as _________
10. What is the half-life of atomic hydrogen?

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