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WorksheetsChemical Equations
Total questions: 12
Worksheet time: 7mins
Name
Class
Date
1.
What does the number 3 represent in 4NH3?
a)
Subscript
b)
Superscript
c)
Coefficient
2.
What does the number 4 represent in 4NH3?
a)
Subscript
b)
Superscript
c)
Coefficient
3.
How many Nitrogen (N) atoms are in 4NH3?
a)
4
b)
1
c)
3
d)
12
4.
How many Hydrogen (H) atoms are in 4NH3?
a)
4
b)
1
c)
3
d)
12
5.
In the equation shown, what are the reactant(s)?
a)
N2 + H2
b)
NH3
6.
In the equation shown, what are the product(s)?
a)
N2 + H2
b)
NH3
7.
Which of the following is a chemical reaction?
a)
Sodium and chlorine atoms bond to form salt molecules.
b)
Ice melts to form water.
c)
Carbon dioxide freezes to form dry ice.
d)
Salt and water mix to form salt water.
8.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
9.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Yields
d)
Chemical Equation
10.
How many elements are in C6H12O6?
a)
1
b)
6
c)
3
d)
24
11.
Identify the number in blue.
a)
Product
b)
Reactant
c)
Coefficient
d)
Subscript
12.
Identify the Products in this equation.
a)
A
b)
B
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