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29 questions
Which symbol shows a chemical reaction has occured?
A
B
C
D
A physical change is the same as a chemical change
TRUE
FALSE
Identify the product(s) in this word equation
Sodium
Sodium chloride
Sodium and Chlorine
Sodium and sodium chloride
In a word equation the REACTANTS
Are written on the right hand side of the arrow
Are produced in a chemical reaction
Are always the same
Are the substances that react together
The products in this reaction are?
Two solids
One solid and one gas
Three solids and a gas
Two solids and a gas
The new substances formed in a chemical reaction are called
Reactants
Atoms
Products
Reagents
What are the reactants in this word equation?
Carbon dioxide and oxygen
Carbon dioxide and water
Oxygen and glucose
Oxygen and water
In a chemical reaction...
New atoms are created
Atoms rearrange
Atoms are destroyed
Nothing Happens
In this chemical reaction zinc is a...
Product
Reactant
Neither
Magneisum reacts with oxygen to form magnesium oxide. The correct word equation is...
A
B
C
D
What is the state symbol for a solid?
(s)
(l)
(g)
(aq)
What is the state symbol for a gas?
(s)
(l)
(g)
(aq)
What is the state symbol for a liquid?
(s)
(l)
(g)
(aq)
What is the state symbol for an aqueous solution?
(s)
(l)
(g)
(aq)
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