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Introduction to Chemistry

Paheli prepar...

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Paheli prepared a blue-coloured solution of copper sulphate in Beaker A and placed an iron nail in it. Boojho prepared a yellowish-green solution of ferrous sulphate in Beaker B and placed a copper wire in it. What changes will they observe in the two beakers after an hour?

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Q. Paheli prepared a blue coloured solution of copper sulphate in beaker A and placed an iron nail in it. Boojho prepared a yellowish green solution of ferrous sulphate in beaker B and placed a copper wire in it. What changes will they observe in the two beakers after an hour?

Q. Question 25
Paheli prepared a blue coloured solution of copper sulphate in beaker A and placed an iron nail in it. Boojho prepared a yellowish green solution of ferrous sulphate in beaker B and placed a copper wire in it. What changes will they observe in the two beakers after an hour?

Q. Assertion :The colour of copper sulphate solution change when an iron nail is dipped in it. Reason: When an iron nail is placed in a copper sulphate solution, iron displaces copper from copper sulphate solution forming iron sulphate.

Q. (1)
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.

(a) What changes do you expect?

(2)
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.

(b) Are these changes chemical in nature?

(3)
A student took a solution of copper sulphate in a beaker and put a clean iron nail into it and left it for about an hour.

(c) Write a word equation for the chemical change, if any.

Q. Beakers A, B, and C contain zinc sulphate, silver nitrate, and ferrous sulphate solutions respectively. Copper pieces are added to each beaker. Blue colour solution will appear in case of beaker:

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