Question

when magnesium ribbon burns with a dazzling white flames what it will give​

Answer 1

Answer:

When magnesium ribbon burns then it gives us Magnesium Oxide.

Answer 2

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Magnesium is a highly reactive metal. It combines with oxygen and water violently,even sometimes emitting heat energy capable of producing fires.

• From this,we know that the reaction between magnesium and oxygen would be exothermic

When magnesium ribbon is exposed to open air,it reacts with the oxygen in the air producing a white dazzling flame

• This reduces the efficiency of magnesium to react. In such a case,a sand paper is used to curb the flame

Reaction is as follows:

Mg(s) + O2(g)==============> MgO(s)