Sign up
Logout
Username
Change password
Logout
Home
►
Reactions (Science)
►
Multiple Choice
Multiple choice questions
Question:
Front side
Back side
Question limit
10
20
1. What are changes of state?
Type of oxidation reaction when a fuel reacts (burns) with oxygen, this transfers energy by heating.
Petroleum, diesel and coal.
An energy transfer to or from the surroundings.
They are not chemical reactions and are reversible this is because no new substances are made.
1 of 10