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Chemical Reaction Symbols Review
Test Description: Review your knowledge of the different reaction symbols to study them.
Instructions: Answer all questions to get your test result.
1) In a chemical equation, the symbol → means
A
means the substance is in a liquid state
B
indicates a precipitate formed by a reaction
C
an alternative way of representing a substance in a gaseous state
D
Read yields or produces. Used to separate reactants (on the left) from products (on the right).
2) In a chemical equation, the symbol Δ written over an arrow means
A
indicates the application of heat to the reactants
B
indicates a precipitate formed by a reaction
C
means no reaction will take place.
D
change
3) In a chemical equation, the symbol (↑) means
A
a formation of a precipitate
B
an alternative way of representing a substance in a gaseous state
C
an alternative way of representing a substance in a solid state
D
an alternative way of representing a substance in a liquid state
4) Write the symbol used in a chemical equation that means reactants or products in the aqueous state, or dissolved in water.
A
(s)
B
(l)
C
(aq)
D
(g)
5) In a chemical equation, the symbol ⇄ means
A
means no reaction will take place.
B
means the substance is in a solid state
C
the reaction is reversible
D
designates an aqueous solution; the substance is dissolved H₂O; placed after the chemical formula
6) What is the symbol used in a chemical equation that means a reactant or product in the liquid state?
A
(s)
B
(l)
C
(g)
D
water
7) What symbol can be used in a chemical equation to separate multiple reactants or multiple products?
A
+
B
(s)
C
*
D
=
8) The symbol (s) in a chemical equation means
A
the substance is in a solid state
B
substance is lost to atmosphere in reaction
C
substance is in a liquid state
D
a catalyst was used
9) If a chemical formula is written above the arrow in a chemical equation, what does that chemical formula indicate?
A
indicates a precipitate formed by a reaction
B
an alternative way of representing a substance in a gaseous state
C
the chemical is a catalyst in the reaction
D
indicates the application of heat to the reactants
10) In a chemical equation, the symbol (↓) means
A
indicates a precipitate formed by a reaction
B
an alternative way of representing a substance in a gaseous state
C
(g)
D
Read yields or produces. Used to separate reactants (on the left) from products (on the right).
*select an answer for all questions
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