Combustion

The word equation for combustion is:
fuel + oxygen -->
 water + ________ __________

• Carbon dioxide

• Limewater

Tags

NGSS.MS-PS1-5

Combustion is a ____________

• Physical process

• Chemical process

• Both of these processes

• None of these

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following is an example of a chemical change?

• water freezes to form ice

• sugar dissolves in water

• gasoline burns in a car engine

• a piece of metal expands when it is heated

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

8.7: Combustion is when a __________ reacts with oxygen

• petrol

• fuel

• fire triangle

• carbon dioxide

Substance which catch fire are called

• Acids

• Bases

• Burners

• Combustible

Which is non combustible substance?

• Wood

• Paper

• Straw

• Iron nails

What type of reaction is this?
2 C₆H₁₄ + 19 O₂ --> 12 CO₂ + 14 H₂O

• Single Replacement

• Double Replacement

• Combustion

• Decomposition

Propane is burned with a blue flame

• propane + oxygen --> carbon dioxide + water

• propane + carbon dioxide --> oxygen + water

• propane + oxygen --> carbon monoxide + water

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Write a Balanced Equation for this reaction:
C₂H₄ + 2 O₂ -->

• C₂O₂ + H₄

• CO₂ + HOH

• CO + H

• 2 CO₂ + 2H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

The product(s) of complete combustion of any hydrocarbon is/are _________________.

• I

• III

• I and II

• I and III

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5