Same chapter3 marksDifficulty: Medium
State three pieces of information that a balanced chemical equation gives, and two that it does not.
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3 marksDifficulty: Medium
Why must a chemical equation be balanced?
Original Khojo Papers practice question — not from a past board paper.
Answer
A chemical equation must obey the law of conservation of mass: matter is neither created nor destroyed in a chemical reaction, so the number of atoms of each element must be the same on both sides.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Balancing is done by changing the coefficients, never the formulae themselves.
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