Home | Chemistry | Physical Chemistry | Some Basic Concepts | Laws Of Chemical Combination | Mcq | Irrespective Of The Source Pure Sample Of Water Always Yields 8889 Mass Of Oxygen And 1111 Mass Of Hydrogen This Is Explained By The Law Ofa Conservation Of Massb Multiple Proportionsc Definite Proportionsd Constant Volume

MCQ

Laws of Chemical Combination
By Sakshi Goel | 18 May'20 | 956 Views

MCQ

Problem:

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
(a) Conservation of mass
(b) Multiple proportions
(c) Definite proportions
(d) Constant volume


Solution:

This illustrates law of definite proportions.
Correct option is (c).


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Inorganic Chemistry Organic Chemistry Physical Chemistry Precision Accuracy conservation of mass definite proportion constant composition multiple proportions molar mass Avogadro number Molecular formula Empirical formula Atomic mass Mass percent