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प्रश्न
Correct the following statement:
Formula of iron (lll) oxide is FeO.
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उत्तर
Formula of iron (lll) oxide is Fe2O3.
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संबंधित प्रश्न
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Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
