PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoMethodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Difference between Atoms and Molecules & Mole concept introduction | You can understand the difference between atom and molecule and mole concept by this theory. |
| 2. | Mole Concept | This theory will help you understand the concept of mole. |
| 3. | Calculating number of moles from mass and volume | Calculating number of moles of the given substances by different modes has been given in this theory. |
| 4. | Calculation of mass from mole and volume | Calculating the mass of the given substance from mole and volume is explained in this theory. |
| 5. | Calculation of mass from Avogadro's number | Calculating the mass of the given substance from Avogadro's number is given in this theory. |
| 6. | Avogadro Hypothesis and its applications | This theory explains Avogadro's hypothesis and its applications. |
| 7. | Calculation based on molar volume | How to calculate molar volume is explained in this theory. |
| 8. | Calculation of Molecular Mass | This theory shows how to calculate gram molecular mass. |
| 9. | Calculation based on number of atoms | This theory shows how to calculate the number of atoms present in a substance. |
| 10. | Calculation based on number of molecules | This theory shows how to calculate the number of molecules present in a substance. |
| 11. | Percent Composition | The percentage composition is just as important to know as the number of entities present in a substance. In this theory, let's take a look at percent composition. |
| 12. | Calculation based on percent composition | The mass of each element present in 100 g of a compound is represented by its percentage composition. In this exercise, we will practise calculating the percent composition of a chemical compound. |
| 13. | Relation between vapour density and relative molecular mass | In this theory, the relationship between vapour density and relative molecular mass is explained. |
| 14. | Mind map | The subtopic of atoms and molecules is illustrated by a mindmap. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Atoms, molecules and mole concept: Select the correct answer | 1st type - receptive | easy | 3 m. | Recall the concepts of atoms, molecules, and moles by answering the questions. |
| 2. | Mole concept: formulas | 1st type - receptive | easy | 2 m. | Recall the concept of mole and its formulas by answering the given questions. |
| 3. | Mole triangle: select the correct answer | 1st type - receptive | easy | 2 m. | Answer the question from the mole triangle to remember the mole concept. |
| 4. | Using mass to find moles of a substance | 2nd type - interpretation | easy | 3 m. | Practice how to calculate the number of moles of a substance from mass by this exercise. |
| 5. | Finding number of moles of substances containing atoms | 2nd type - interpretation | medium | 3 m. | Practice how to calculate the number of moles of a substance from number of atoms. |
| 6. | Using volume to find moles of a substance | 2nd type - interpretation | medium | 3 m. | Practice how to calculate the number of moles of a substance from volume by this exercise. |
| 7. | Gram molecular mass: Calculation | 2nd type - interpretation | medium | 3 m. | Answering the questions will allow you to practise calculating the gram molecular mass of various substances. |
| 8. | Book back questions: Solve the following | 3rd type - analysis | medium | 6 m. | Analyse and answer the given questions (book back and additional questions). |
| 9. | Bookback questions: choose the correct answer | 3rd type - analysis | medium | 2 m. | Answer the questions to evaluate your understanding of atoms and molecules. |
| 10. | Mole concept and formulas for moles | 3rd type - analysis | medium | 2 m. | Recall the concept of mole and its formulas by answering the given questions. |
| 11. | Finding the mass of the substance from molecules | 2nd type - interpretation | hard | 5 m. | Practice how to calculate the mass of a substance from the number of molecules. |
| 12. | Previous year questions-I | 2nd type - interpretation | hard | 5 m. | By solving previous year's questions, you can improve your learning for the exam. |
| 13. | Number of molecules in gases | 2nd type - interpretation | hard | 5 m. | Answer the questions to practise calculating the number of molecules in a given volume of gases. |
| 14. | Additional important questions: Match the correct answers | 3rd type - analysis | hard | 5 m. | By answering the given questions, revise some important concepts. |
| 15. | Number of atoms in a substance | 3rd type - analysis | hard | 4 m. | Answer the questions to practise calculating the number of atoms in a given amount of a substance. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Book back questions: Solve the problems | Other | medium | 6 m. | Analyse and answer the given questions. |
| 2. | Gram molecular mass: Calculation | Other | medium | 5 m. | Answering the questions will allow you to practise calculating the gram molecular mass of various substances. |
| 3. | HOTS questions: Atoms and molecules | Other | medium | 6 m. | Answer the questions to practice the concept of the mole. |
| 4. | Previous years questions-II | Other | medium | 1 m. | By solving previous year's questions, you can improve your learning for the exam. |
| 5. | Previous years questions-III | Other | medium | 5 m. | By solving previous year's repeated questions, you can improve your learning for the exam. |
| 6. | Percent composition of compounds | Other | medium | 5 m. | Practice how to calculate the mass percentage of compounds by answering the given questions. |
| 7. | Percent composition of elements in a compound | Other | medium | 5 m. | Practice how to calculate the percentage composition of elements in compounds by answering the given questions. |
| 8. | Classification of molecules | Other | medium | 1 m. | Recall the concept of the classification of molecules by answering the given questions. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training Test | 00:20:00 | medium | 11 m. | |
| 2. | Training Test-I | 00:30:00 | medium | 6 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework-I | 00:30:00 | medium | 11 m. | |
| 2. | Homework-II | 00:30:00 | medium | 10 m. | |
| 3. | Homework-III | 00:30:00 | medium | 15 m. | |
| 4. | Progress Test-I | 00:30:00 | medium | 16 m. | |
| 5. | Progress Test-II | 00:30:00 | medium | 11 m. | |
| 6. | Progress Test-III | 00:40:00 | hard | 20 m. | |
| 7. | Periodic Assessment | 00:10:00 | medium | 2 m. | PA1 - Atoms and Molecules |
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