What happens when a zinc strip is dipped into magnesium sulphate solution?  1. Magnesium sulphate does not react with zinc2. Zinc

What happens when a zinc strip is dipped into magnesium sulphate solution? 
1. Magnesium sulphate does not react with zinc2. Zinc displaces magnesium from its sulphate solution.3. Displacement reaction occurs4. Colour turns into blue​

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