Question

Which is the odd one in oxygen, nitrogen, carbon dioxide, hydrogen

Answer 1

carbon di oxide because it is molecule of two different elements

Answer 2

"Carbon dioxide will be the odd one out.

Other – nitrogen, hydrogen and oxygen – are single elements that are present in the singular form with no reaction with any other component where carbon dioxide is made up of two elements that are carbon and oxygen.

This is the basic difference among all four of the elements.

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