The Law of Constant Composition States That _________

Multiple Choice

The law of constant composition states that _________

A) compounds such as NO₂ and SO₂ have identical chemical properties.
B) the elements forming a particular compound always combine in the same proportions.
C) nitrogen and oxygen can combine to form NO or NO₂.
D) compounds such as NO and NO₂ have identical chemical properties.
E) only one compound can be produced when two elements combine.