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Per NCERT, hydrogen + oxygen form water (2g H + 16g O → 18g H₂O) and hydrogen peroxide (2g H + 32g O → 34g H₂O₂). The masses of OXYGEN that combine with FIXED mass of HYDROGEN are in the ratio 16:32 = 1:2 — illustrating which law?
AAvogadro's Law
BLaw of Multiple Proportions
CGay Lussac's Law
DLaw of Definite Proportions
Answer & Solution
Correct answer: B. Law of Multiple Proportions
Per NCERT §1.5.3, masses of one element with fixed mass of another in small whole-number ratios = Law of Multiple Proportions.
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