Question Details

Magnesium ribbon burns with:

Options

A

A blue non-luminous flame

B

A bright white flame

C

A yellow luminous flame

D

No visible flame

Show Answer

Correct Answer :

Option B

A bright white flame

Solution :

The correct option is A bright white flame.


Explanation:
When magnesium ribbon is heated in the presence of air, it reacts vigorously with oxygen. This chemical reaction is an exothermic combustion reaction that releases a large amount of light and heat energy.


The chemical equation for this reaction is given by:

2Mg+O22MgO


During this oxidation process, magnesium burns with a characteristic, intensely bright white dazzling flame, producing a white powder consisting of magnesium oxide (MgO).

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