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प्रश्न
A number of elements are available in earths crest but most abundant element are:-
पर्याय
AI and Fe
AI and Cu
Fe and Cu
Cu and Ag
MCQ
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उत्तर
AI and Fe
Explanation:
The most abundant elements in the earth's crust are aluminium (8.3%) and iron (5.1%).
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General Principles and Processes of Isolation of Elements
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