Q. 55.0( 1 Vote )

Write true or false for the following statements:

In a chemical substance, the elements are always present in varying proportions by mass.

Answer :


According to the postulates of Dalton’s atomic theory atoms of different elements combine in fixed ratios by mass to form compounds. So, in chemical substance, the elements are always present in fixed proportions by mass.

Hence, the above statement is false.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Quiz | Bohr's-Bury Rule and Valency62 mins
Atomic Number46 mins
Electronic Configuration34 mins
How Radioactivity Works?29 mins
Valency31 mins
What an Atom holds?41 mins
Champ Quiz | Important Questions of Atom41 mins
Learn How to Write The FormulaFREE Class
Champ Quiz | On Atom & its Structure37 mins
Quiz | Check Your Concepts on An Atom34 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses