AIR: Combustion

Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil?

• Water
• Carbon Dioxide 
• Dry Chemical
• Foam

Water is not used to control fires involving electrical appliances.

• False
• True

Tags

NGSS.HS-ETS1-3

Wood is a better fuel than LPG.

• True
• False

Tags

NGSS.MS-PS3-4

Which is not combustible substance

• Wood
• Cow dung cake
• stone
• paper

What is produced when combustable substance is in the vapour state and burn strongly in the presence of of air?

• heat 
• light
• flame
• fumes

Tags

NGSS.MS-PS1-4

Are the molecules in wood the same as ash 

• yes 
• depends 
• does it matter 
• no

Tags

NGSS.MS-PS1-1

The condition which are required for combustion to take place are:

• fuel
• ignition temperature
• oxygen
• all of these

Another term for burning is

• Fire triangle
• Magnesium oxide
• Combustion
• Bustion

Which of these isn't in the fire triangle?

• Fuel
• Heat
• Oxygen
• Carbon dioxide

The three sides to the fire triangle are;

• Petrol, Spark, Oxygen
• Heat, Fuel, Oxygen
• Heat, Paper, Air
• Match, Paper, Air