Chapter Chosen

Combustion And Flame

Book Chosen

Science

Subject Chosen

Science

Book Store

Download books and chapters from book store.
Currently only available for.
CBSE Gujarat Board Haryana Board

Previous Year Papers

Download the PDF Question Papers Free for off line practice and view the Solutions online.
Currently only available for.
Class 10 Class 12

What are inflammable substances ?


The substances which have very low ignition temperature and can catch fire easily with a flame are called inflammable substances.For example methane gas, LPG, etc.


Fire produced by oil cannot be controlled by ___________ .


water


A liquid fuel, used in homes is __________


kerosene


List conditions under which combustion can take place.


Conditions necessary for combustion are :

(i) Presence of combustible substance.

(ii) Attainment of ignition temperature.

(iii) Proper supply of air to provide oxygen.


Burning of wood and coal causes __________ of air.


pollution


Fuel must be heated to its __________ before it starts burning.


ignition temperature