Same chapter3 marksDifficulty: Medium
Balance the equation: Fe2O3 + CO → Fe + CO2
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3 marksDifficulty: Medium
State three pieces of information that a balanced chemical equation gives, and two that it does not.
Original Khojo Papers practice question — not from a past board paper.
Answer
It gives the reactants and products, the relative number of molecules and hence the masses and volumes involved, and the physical states where these are marked. It does not give the speed of the reaction, the conditions needed unless they are written above the arrow, or whether the reaction is reversible unless the double arrow is used.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Nor does it say anything about the mechanism of the change.
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