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प्रश्न
What do you observe when: little amount of curd is added to a bowl containing warm milk and kept for five hours.
उत्तर
When a little amount curd is added to a bowl containing warm milk and kept for five hours, a permanent change occurred.
The milk will change to curd. On boiling water changes into steam (gas) physical change.
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संबंधित प्रश्न
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