PDF chapter test TRY NOW
Textbook Questions
| 1. |
Chemical changes
Difficulty: easy |
1
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| 2. |
Endothermic changes
Difficulty: easy |
1
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| 3. |
Exothermic reactions
Difficulty: easy |
1
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Practice Questions
| 1. |
Various chemical changes
Difficulty: easy |
1
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| 2. |
Physical changes
Difficulty: medium |
1
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Teacher manual
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