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प्रश्न
What do you observe when :
an iron nail is kept in tap water for few days
एका वाक्यात उत्तर
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उत्तर
We observe reddish brown coating on the nail called rust (entirely new substance) is chemical change.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
