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.
2. Give the basic difference between weather and climate.
3. The red litmus paper turns blue when it is dipped into the solution of magnesium oxide
with water.
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Explanation: 1 photo for 1st question, 2nd photo for 3rd question and 3rd photo for 2nd question
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