Some Basic Concepts Of Chemistry Question 269
Question: Irrespective of the source, pure sample of water always yields 88.89% mass of oxygen and 11.11% mass of hydrogen. This is explained by the law of [Kerala CEE 2002]
Options:
A) Conservation of mass
B) Constant composition
C) Multiple proportions
D) Constant volume
Show Answer
Answer:
Correct Answer: B
Solution:
$ H _2O $ contains H and O in a fixed ratio by mass. It illustrates the law of constant composition.
