Chemistry Test 3 – Atoms & Molecules | Willer Academy

Willer Academy: Chemistry Test #3 – Atoms & Molecules

Chapter: Class 9 – NCERT Chapter 3 | NEET Foundation

Instructions:
✔ 10 MCQs | +4 for Correct | –1 for Incorrect | 0 for Unattempted
✔ Submit to see your score and topic-wise feedback.
1. Who gave the law of conservation of mass?
2. The SI unit of atomic mass is:
3. The number of atoms in one molecule of ozone (O₃) is:
4. H₂O contains hydrogen and oxygen in what ratio by mass?
5. Mole is defined as:
6. One molecule of nitrogen (N₂) contains how many atoms?
7. Valency of calcium is:
8. CO₂ (Carbon Dioxide) is composed of:
9. Which is a triatomic molecule?
10. Chemical formula of ammonium chloride is:
💬 Type “N” for Chemistry Test #4 – Structure of Atom 🌱 Or type “BIO1” to switch to Biology Test Series
🌟 Willer Academy – NEET Foundation:
Test Practice + Results + Mentor Review = NEET Early Advantage 🚀

Comments

subscribe

Popular posts from this blog