CBSE Class 10 Answered
burning...............
Asked by | 02 Jun, 2009, 10:57: AM
Expert Answer
Burning is a chemical change because it involves changes in the chemical composition of the reactants.
In simple terms the molecular formulae of all the reactants and products are different.
For example, when fuel is burnt in the presence of oxygen, carbon dioxide and water are formed. This is accompanied by the release of large amount of energy.
So, here fuel is a hydrocarbon , oxygen is O2, carbon dioxide is CO2 and water is H2O. All have completely different molecular formula. So, it is a chemical change.
Answered by | 02 Jun, 2009, 02:19: PM
Application Videos
Concept Videos
CBSE 10 - Chemistry
Asked by parthmarch1 | 14 Dec, 2023, 08:27: PM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by reetritu34 | 14 Dec, 2023, 07:54: AM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by agarwalkrishnam98 | 01 Oct, 2023, 08:28: AM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by asra964072 | 18 May, 2022, 10:03: PM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by jainnikhil668 | 05 May, 2022, 02:00: PM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by gsvjairam | 17 Apr, 2022, 11:32: AM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by shubham.sharma80634 | 10 Feb, 2022, 08:43: PM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by Trisha Gupta | 25 Jan, 2022, 03:02: PM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by Trisha Gupta | 25 Jan, 2022, 03:01: PM
ANSWERED BY EXPERT
CBSE 10 - Chemistry
Asked by sivaramaraju1000 | 21 Jan, 2022, 09:05: AM
ANSWERED BY EXPERT