According to the Law of Multiple Proportions, when two elements (A & B) form different compounds, the masses of element B that combine with 1 g of A are a ratio of whole numbers.
A) NH4 and NH4Cl → compound 1 and compound 2 are made up of different elements X
Which of the following pairs of compounds can be used to illustrate the law of multiple proportions?
A) NH4 and NH4Cl
B) ZnO2 and ZnCl2
C) H2O and HCl
D) NO and NO2
E) CH4 and CO2
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