Class 9 Chemistry MCQs – Practice Test 10 (Chapter 3)

Fundamentals of Chemistry MCQ with Answers PDF Download – Test 10

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Free "Fundamentals of Chemistry MCQ" App Download (Android & iOS): Gram atomic mass of Zn is; MCQ with answers: 12g, 23g, 63.54g, and 56.67g. Practice Gram Atomic Mass Molecular Mass and Gram Formula MCQ Questions, download Apple Book (Free Chapter) to support chemistry learning success.

Fundamentals of Chemistry MCQ – Practice Test 10 PDF Download

MCQ 46: The gram atomic mass of Zn is:

23g
12g
63.54g
56.67g

MCQ 47: A substance whose all atoms have the same atomic number is:

molecule
atom
element
ion

MCQ 48: A hydrogen atom is:

8.40% as massive as C-12
10% as massive as C-12
20% as massive as C-12
30% as massive as C-12

MCQ 49: A balloon filled with 5g of hydrogen contains:

2.48 moles of H₂
3.48 moles of H₂
4.48 moles of H₂
5 moles of H₂

MCQ 50: The number of protons and neutrons in the nucleus if the atomic number of an element is 17 and the mass number is 35, is:

17 and 18
17 and 19
17 and 20
17 and 21

Class 9 Chemistry Notes App & e-Book – Fundamentals of Chemistry Exam Prep

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