Class 8 Combustion and Flame

What are the 3 types of combustion?

• Inflammable combustion, Rapid combustion, calorific combustion

• Fuel combustion, industrial combustion, luminous combustion

• Rapid combustion, spontaneous combustion, explosion

Out of the following, Which of these are able to control fire

• H2

• CO2

• NH3

• F2

The burning of LPG is an example of:

• Explosion

• Rapid Combustion

• Spontaneous Combustion

• Global Warming

Tags

NGSS.MS-PS1-2

What is essential for combustion?

• Oxygen

• Water

• Helium

• Paper

What is combustion?

(a)  

Tags

NGSS.MS-PS1-6

The best extinguisher for fire involving electrical equipment are:

• Carbon Dioxide

• Ignition temperature and kerosene oil

• fuel and wood

• Charcoal and Glass

Combustion is a __________

• Chemical Process

• Physical Process

• None of these

• Both of these

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

During the process of Combustion _______ is given out

• Heat

• Light

• Sound

• All of these

The substance that does not burn with flame is ____________

• LPG

• Charcoal

• Camphor

• Dry grass

"FIREWORK" is an example of _________

• Rapid Combustion

• Spontaneous Combustion

• Explosion

• Slow combustion

Tags

NGSS.MS-PS1-4