SSC MTS EXAM

SSC

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The wood burned at the campfire
A
Chemical
B
physical
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -When wood is set on fire, the Carbon present in the form of Methane or butane combusts in the presence of Oxygen to form water and Carbon dioxide. The burning of wood is a chemical change as it leads to the formation of new substances like Carbon dioxide gas, water vapour, ash, etc.

Detailed explanation-2: -Fire’s basic combustion equation is: fuel + oxygen-> carbon dioxide + water, a line many of us had drummed into us by school teachers.

There is 1 question to complete.