Class 9 Science Chapter 9: Atomic Foundations of Matter — Important Questions & Mock Tests
Practice Atomic Foundations of Matter topic-wise important questions, MCQs and 1, 2, 3 and 5 mark questions for CBSE revision.
60 Questions 24 Topics MCQs: 20 1 Mark: 10 2 Mark: 10 3 Mark: 10 5 Mark: 10
Topic-wise important and practice questions
Review question distribution across chapter topics for MCQs, 1 Mark questions, 2 Mark questions, 3 Mark questions, 5 Mark questions.
| Topic | MCQ | 1 Mark | 2 Mark | 3 Mark | 5 Mark | Total |
|---|---|---|---|---|---|---|
| Covalent Bonding | 2 | 1 | 1 | 3 | 2 | 9 |
| Law of Conservation of Mass | 1 | 1 | 2 | 1 | 2 | 7 |
| Ionic and Covalent Bonding | 0 | 0 | 1 | 2 | 1 | 4 |
| Ionic Bonding | 1 | 1 | 0 | 1 | 1 | 4 |
| Law of Constant Proportions | 1 | 1 | 1 | 1 | 0 | 4 |
| Molecular Mass | 1 | 1 | 1 | 0 | 1 | 4 |
| Dalton's Atomic Theory | 1 | 0 | 0 | 1 | 1 | 3 |
| Writing Chemical Formulae | 0 | 0 | 1 | 1 | 1 | 3 |
| Anion Formation | 1 | 1 | 0 | 0 | 0 | 2 |
| Atoms and Molecules | 0 | 1 | 1 | 0 | 0 | 2 |
| Cation Formation | 1 | 1 | 0 | 0 | 0 | 2 |
| Electrical Conductivity of Ionic Solutions | 1 | 0 | 1 | 0 | 0 | 2 |
| Formation of Ions | 1 | 0 | 0 | 0 | 1 | 2 |
| Formula Unit Mass | 0 | 1 | 1 | 0 | 0 | 2 |
| Chemical Bonding | 0 | 1 | 0 | 0 | 0 | 1 |
| Closed-System Reaction Experiment | 1 | 0 | 0 | 0 | 0 | 1 |
| Composition of Water | 1 | 0 | 0 | 0 | 0 | 1 |
| Conservation of Mass in a Closed System | 1 | 0 | 0 | 0 | 0 | 1 |
| Conservation of Mass in an Open System | 1 | 0 | 0 | 0 | 0 | 1 |
| Diatomic Molecules | 1 | 0 | 0 | 0 | 0 | 1 |
| Lavoisier and Conservation of Mass | 1 | 0 | 0 | 0 | 0 | 1 |
| Molecules | 1 | 0 | 0 | 0 | 0 | 1 |
| Properties of Ionic Compounds | 1 | 0 | 0 | 0 | 0 | 1 |
| Writing Ionic Compound Formulae | 1 | 0 | 0 | 0 | 0 | 1 |