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In which year was the law of conservation of mass put forth?
A1789
B1889
C1689
D1589
Answer & Solution
Correct answer: A. 1789
1. The law belongs to the chemical revolution.
2. That places it at the end of the eighteenth century.
3. The law of conservation of mass was put forth by Antoine Lavoisier in 1789.
4. So the answer is 1789.
_Source: NCERT Class XI Chemistry Part I, Unit 1 'Some Basic Concepts of Chemistry'_
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