Which of the following pairs are isotopes?

Oxygen and Ozone

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Ice and Steam

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Nitric oxide and Nitrogen dioxide

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Hydrogen and Deuterium

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Solution

The correct option is C Hydrogen and Deuterium
Isotopes are elements with same atomic number but different mass number. Hydrogen and Deuterium are isotopes with same atomic number but different mass number. Hydrogen have atomic number 1 and mass number 1 where as deuterium have atomic number 1 but mass number 2.

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Similar questions

In which pair of compounds the oxidation state of nitrogen is -1?

a)ammonia ,hydroxylamine

b)nitric oxide and nitric acid

c)hydrazine and ammonia

d)hydrazine and hydroxylamine

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