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Question
When magnesium wire is lighted in an air, it burns with bright light and gives _____ powder as a residue.
When magnesium wire is lighted in an air, it burns with bright light and gives _____ powder as a residue.
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Solution
The correct option is D white
When magnesium wire is lighted in an air, it burns with bright light and gives a white powder of MgO as a residue.
Mg+O2→2MgO
When magnesium wire is lighted in an air, it burns with bright light and gives a white powder of MgO as a residue.
Mg+O2→2MgO
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