alleryThe total mass after a chemical reaction is:
ANear zero
BThe same
CMuch more
DMuch less
Answer & Solution
Correct answer: B. The same
1. Nothing is created or destroyed in a chemical reaction.
2. So the products together weigh what the reactants did.
3. The total mass remains the same before and after.
4. So the answer is the same.
_Source: syllabus Science, Ch 9 'Atomic Foundations of Matter'_
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