Class 9 Chemistry MCQs – Certification Test 140

Avogadro Number and Mole Quiz (Question 140) – Learning App & e-Book Download

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MCQ 140: The number of atoms of hydrogen in 2 moles of NH₃:

5 * 10²³
3.01 * 10²³
3.61 * 10²⁴
4 * 10²³

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