CBSE Class 7 Answered
The ash which is collected after burning of magnesium ribbon when dissolved in water turns red litmus blue phenolphtalein pink.also write the balanced equation.
Asked by arajeevshashank | 12 Nov, 2017, 08:22: PM
Expert Answer
The burning of magnesium turns it into magnesium oxide MgO (ash) due to reaction with oxygen in air
Dissolving MgO in water produces magnesium hydroxide
MgO +H2O =Mg(OH)2
Mg(OH)2 magnesium hydroxide is basic in nature i.e it is base which turns red litmus blue and blue phenolphthalein pink
Answered by Gajendra | 06 Dec, 2017, 04:08: PM
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