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प्रश्न
Classify the following day-to-day activities based on chemical reactions by physical contact, solutions of reactants, heat, light, electricity, and catalyst.
- Burning of crackers during festivals
- Fading of coloured clothes on drying under sunlight.
- Cooking of eggs.
- Charging of batteries.
टिप्पणी लिखिए
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उत्तर
- Chemical reaction.
- Exothermic reaction.
- Tarnishing.
- Rusting.
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Effects of Chemical Changes: Environmental Effects
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 10: Changes around us - Exercises [पृष्ठ ११२]
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