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प्रश्न
Dil. HCl is added to Zn granules. How will you prove that chemical change has taken place here? Support your response with two arguments.
टिप्पणी लिखिए
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उत्तर
Response with any of the given two arguments.
- Bubbles of gas/Evolution of gas.
- Change in colour (Zn - silvery grey to black).
- Change in temperature.
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