Which Set of Compounds Illustrates the Law of Multiple Proportions

question 94

Multiple Choice

Which set of compounds illustrates the Law of Multiple Proportions?

• A)SO₂, SO₃
• B)N₂O, NO, NO₂
• C)H₂O, H₂O₂
• D)all of these

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Definitions:

Tubular Secretion

Movement of certain molecules from blood into the distal convoluted tubule of a nephron so that they are added to urine.

Distal Convoluted Tubule

Final portion of a nephron that joins with a collecting duct; associated with tubular secretion.

Active Transport

The movement of molecules across a cell membrane from an area of lower concentration to one of higher concentration, requiring energy.

Excretory System

A biological system that removes excess, unnecessary materials from an organism, allowing it to maintain homeostasis and prevent damage to its body.