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WorksheetsChemical Reactions
Total questions: 15
Worksheet time: 14mins
The left side of the equation below is called
Products
Reactants
The right side of the equation below is called the
products
reactants
What are the products of the chemical reaction pictured?
CH4 and CO2
CH4 and O2
CO2 and H2O
O2 and H2O
Consider the chemical equation CH4 + 2 O2 → CO2 + 2 H2O. In this equation, CH4 is a
product
reactant
Which compounds are the PRODUCTS of this reaction?
CO2 + H2O
C6H12O6 + O2
C6H12O6 + CO2
H2O + O2
A Chemical Change is also known as what?
Physical Change
Physical Property
Chemical Reaction
Chemical Property
Identify what type of change happening in the picture below...
Chemical Change
Physical Change
Endothermic Reaction
Exothermic Reaction
Identify what type of change happening in the picture below...
Chemical Reaction
Physical Change
Change in State
Change in appearance only
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
A change in the shape of an object is an example of _________________.
a chemical change
energy
an endothermic change
a physical change
What is the BEST definition of a chemical reaction?
A change in matter that produces one or more NEW substances
When two things combine and EXPLODE.
