Which of the following pairs of substances illustrate the law of multiple proportions [CPMT 1972, 78]

Question: Which of the following pairs of substances illustrate the law of multiple proportions [CPMT 1972, 78]

(a) CO and CO

(b) HO and DO

(c) NaCl and NaBr

(d) MgO and Mg(OH)


Correct Answer: (a) CO and CO


Question: Which of the following pairs of substances illustrate the law of multiple proportions [CPMT 1972, 78] (a) CO and CO₂ (b) H₂O and D₂O (c) NaCl and NaBr (d) MgO and Mg(OH)₂


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