Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Law of chemical combination | This theory explains the concepts of conservation of mass in physical and chemical changes, and about the laws of chemical combinations. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Conservation of mass in physical change | Other | easy | 1 m. | An exercises that focuses on the baking soda reaction with vinegar. The student has to choose the correct answers to the given questions. As an outcome learns the same. |
| 2. | Conservation of mass in chemical change | Other | medium | 2 m. | An exercises that focuses on the baking soda reaction with vinegar. The student has to choose the correct answers to the given questions. As an outcome learns the same. |
| 3. | Comparison of physical and chemical changes | Other | medium | 3 m. | An exercise based on the comparison of physical and chemical changes. The student has to choose the correct answers to the given questions. As an outcome learns the same. |
| 4. | Law of conservation of mass I | Other | easy | 1 m. | The student has to choose the correct answer for atoms and molecules. As a result, the student will understand the mentioned concept. |
| 5. | Law of conservation of mass II | Other | medium | 4 m. | This exercise consists of one key question for school exam preparation; which carries 2 marks. The student has data-based questions from section 'E' about law of conservation of mass. As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 6. | Law of conservation of mass III | Other | medium | 5 m. | The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts. |
| 7. | Law of definite proportions | Other | easy | 2 m. | The student has to choose the correct answer for atoms and molecules. |
| 8. | Law of constant proportions | Other | hard | 4 m. | The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts. |
| 9. | TBQ - Application of law of constant proportions | Other | hard | 3 m. | The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts. |