Question

Two samples X and Y of a pure substanceobtained by two different methods containelements P and Q. Substance X has amass of 2.25 g and contains 0.90 g of Q.
Substance Y is made up of 60% P and40% Q by weight. This is an illustration of

(A) Law of multiple proportions
(B) Law of constant proportions

(C) Law of reciprocal proportions
(D) Gay-Lussac's law of combining volumes.​

Answer 1

Answer:

(B)

Explanation:

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