Answer the following questions: NCERT- Lab manual questions - I

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Answer the following questions:

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Double displacement reaction

The metal with the most reactive will displace the less reactive metal.

Due to the formation of yellowishiron sulphate solution

Due to the formation of greenish iron sulphate solution

1. Why does the colour of copper sulphate solution change, when an iron nail is dipped in it?

2. What is the basic principle involved in this 'iron nai in copper sulphate' experiment?

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20. Answer the following questions: NCERT- Lab manual questions - I