Question

Q10. Vineet kept burning coal/angeethi in his room while sleeping and closed the door
so as to keep the room hence himself warm. His mother came into the room and
told him to keep the door open while the angeethi/burning coal was kept in there.
i)
ii)
Which type of combustion takes place when coal is burnt or an angeethi is lit?
Which gases are released when coal is burnt or an angeethi is lit?
What could have happened if Vineet's mother wouldn't have opened the door
of his room?
(3)

Answer 1

Answer:

The burning coal angithis will generate heat which leads to smoke. If a person inhales this smoke for a longer period he will start experiencing breathing problem which may lead to the death of a person. So the burning coal is never kept in a closed room.