dazzing white
1. A metallic ribbon has burnt with a
flame and changes to a white powder. This powder
turns and litmus to blue when dissolved in water identify
the white substance so formed. Wbrite the balanced
chemical reaction taking place.
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Explanation:
The reaction when metal burn is
2Mg + O2 = 2Mgo
heat
when powder dissolves in water
Mg + H2O = Mg(OH)2
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