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Dalton's postulate that atoms cannot be created or destroyed explains the law of:
AGaseous volumes
BMass conservation
CFixed proportions
DMultiple proportion
Answer & Solution
Correct answer: B. Mass conservation
1. If atoms survive a reaction, their total mass survives too.
2. Nothing is gained or lost.
3. So it explains mass conservation.
_Source: syllabus Science Class IX, Chapter 3, Atoms and Molecules._
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