When a metal oxide is heated in a stream of hydrogen,reduction occurs. After reduction,$3.15 \, g$ of the oxide yields $1.05 \, g$ of the metal. What can we conclude about the metal?
- AAtomic mass of metal is $4$
- BEquivalent mass of metal is $8$
- CEquivalent mass of metal is $4$
- DEquivalent mass of metal is $10$
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