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Chemical Changes: Decomposition Reactions
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Name: _________________________________ Date: _________________
🧪 Chemical Changes: Decomposition Reactions
Remember to wear safety goggles and gloves during all experiments!
1. What is a decomposition reaction? 🤔
2. Complete the following equation for the decomposition of calcium hydroxide:
Ca(OH)₂ → __________ + __________
3. Experimental Observations 🔬
| Time (minutes) | Color Change | Other Observations |
|---|---|---|
| 0 | ||
| 5 | ||
| 10 |
4. Circle the evidence that shows a chemical change has occurred:
Color change Gas formation Temperature change New substance formed
5. Real-world Application 🌍
Describe one example of decomposition reactions in everyday life:
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