Question

Explain the following process.

1) Put two to three iron nails in blue solution of copper sulphate many after 15 to 20 minutes the colour of solution turns green .

2) Give the basic difference between whether and climate.

3) The red litmus paper turns blue when it is deeped into solution of magnesium oxide with water.

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Answer 1

Answer:

1. It happens because iron is more reactive than copper. thus iron displaces copper from it's salt solution.hence it turn green due to the formation of Ferrous Sulphate.

2. Weather is a day to day information of the change in the atmospheric conditions in an area.whereas climate provide the information about the average weather conditions of a particular place over a long period.

3. red litmus paper turn blue because of the basic solution formed , that is Magnesium hydroxide which is a base.

Explanation:

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