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Q.4 Explain the following process/events.
1. Put two to three iron nails in the blue solution of copper sulphate and after 15 to 20
minutes the colour of the solution turns green.
Answers
Answered by
1
Yes it yurns green.
Explanation:
When an iron nail is dipped in copper sulphate solution, a brown coating of copper is formed on the surface of iron and the colour of copper sulphate solution changes from blue to light green.
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Answer:
The 3Cs of technologies refer to Content, Computer and Communication. It's all about accessing information from anywhere in the world, at any given point in time. These three technologies are collectively referred to as the 3Cs of technological convergence
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