Ahmed took a magnesium ribbon(cleaned) and burnt it on a flame the white powder formed was taken in a test tube and water was added to it. he then tested the solution formed with red and blue Litmus Paper. what change was seen?why?
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When magnesium burns in air, it forms magnesium oxide.
2Mg + O2 --> 2MgO
When magnesium oxide is put in water, it reacts with it to form magnesium hydroxide.
MgO + H2O --> Mg(OH)2
Magnesium hydroxide is basic in nature, and will turn red litmus blue.
There will be no change in the blue litmus.
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Here's your answer...
When magnesium burns in air, it forms magnesium oxide.
2Mg + O2 --> 2MgO
When magnesium oxide is put in water, it reacts with it to form magnesium hydroxide.
MgO + H2O --> Mg(OH)2
Magnesium hydroxide is basic in nature, and will turn red litmus blue.
There will be no change in the blue litmus.
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