These comprehensive RBSE Class 8 Science Notes Chapter 6 Combustion and Flame will give a brief overview of all the concepts.
Rajasthan Board RBSE Solutions for Class 8 Science in Hindi Medium & English Medium are part of RBSE Solutions for Class 8. Students can also read RBSE Class 8 Science Important Questions for exam preparation. Students can also go through RBSE Class 8 Science Notes to understand and remember the concepts easily. Browsing through Class 8 Science Chapter 4 Question Answer in Hindi that includes all questions presented in the textbook.
→ A chemical process in which a substance reacts with oxygen to give off heat is called combustion. The substance that undergoes combustion is said to be combustible.
→ The lowest temperature at which a substance catches fire is called its ignition temperature.
→ There are various types of combustions such as rapid combustion, spontaneous combustion, explosion, etc.
→ There are three different zones of a flame- dark zone, luminous zone and non-luminous zone.
→ An ideal fuel is cheap, readily available, readily combustible and easy to transport. It has high calorific value. It does not produce gases or residues that pollute the environment.
→ Maximum fuels release dangerous pollutants on combustion which are harmful.