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WorksheetsChemistry of Biology
Total questions: 19
Worksheet time: 2hrs 35mins
Define flammability in your own words.
Check which things are flammable.
Table Salt
Sugar/Glucose
Gasoline
Cellulose
Oxygen is flammable.
True
False
Why doesn't water burn?
Define oxidization in your own words.
Endothermic reactions use (a) energy to break the bonds of the reactants than given back when products form.
Exothermic reactions use (a) energy to break the bonds of the reactants than given back when products form.
Exothermic reactions cause a drop in temperature.
True
False
Which reaction releases heat into the surroundings?
Exothermic
Endothermic
(a) is required to break bonds.
Which bond would require more energy to break?
Oxygen/Hydrogen
Carbon/Hydrogen
What does CPE stand for?
Ethanol stores a lot of potential energy.
True
False
A flame is made of atoms.
True
False
What are the products of a combustion reaction?
Atoms last forever.
True
False
Is this equation balanced?
Yes
No
Is this equation balanced?
Yes
No
What does the arrow mean in a chemical equation?
