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Ortho and para hydrogen differ in...

Ortho and para hydrogen differ in

A

atomic number

B

mass number

C

eelctron spin in two atoms

D

nuclear spin in two atoms

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The correct Answer is:
D
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MODERN PUBLICATION-HYDROGEN-MULTIPLE CHOICE QUESTION (LEVEL-II)
  1. Which is the most poor reducign agent

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  2. Which of the following statements is incorrect ?

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  3. Ortho and para hydrogen differ in

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  4. Which of the following is used as a moderator in nuclear reactor

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  5. What is the correct relationship between pHs of isomolar solutions of ...

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  6. The correct order of the O-O bond length in O(2), H(2)O(2) and O(3) i...

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  7. The strength of 10 volume of H(2)O(2) solution is

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  8. In which of the following reaction H(2)O(2) is acting as a reducing ag...

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  9. The pH of D(2)O and H(2)O at 298 k is

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  10. Metal hydrides are ionic covalent or molecular in nature among LiH ,...

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  11. Which of the following hydrides is electron precise hydride

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  12. The oxide which gives H(2)O(2) on treatment with dilute acid is

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  13. Which of the following equations depict the oxidising nature of H(2)O...

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  14. When sodium peroxide is treated with dilute suplhuric acid we get …………...

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  15. Consider the reaction A H(2)O(2)+2HIrarrI(2)+2H(2)O B HOCI+H(2)O(2...

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  16. Which of the following reactions is an example of use of water gas i...

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  17. Elements of which of the following group of periodic table do not form...

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  18. Which of the following reaction increases production of dihydrogen fr...

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  19. Why do calcium ions make water hard but sodium do not

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  20. Ortho and para hydrogen have

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