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ICSE Class 10 Chemistry 2017 Paper

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Complete the following by selecting the correct option from the choices given :
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Question : 86 of 86
Marks: +1, -0
The divalent metal whose oxide is reduced to metal by electrolysis of its fused salt is ............ (Al/Na/Mg/K)( \mathrm{Al} / \mathrm{Na} / \mathrm{Mg} / \mathrm{K} )
Solution:  
Magnesium (Mg)( \mathrm{Mg} )
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