Font size
S
M
L
XL
Worksheetsskill check- balancing equations
Total questions: 7
Worksheet time: 7mins
Name
Class
Date
1.
What is the left part of a chemical equation called?
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Subscripts
d)
Coefficients
2.
Atom or molecule?
H2O
a)
Atom
b)
Molecule
3.
What is the right part of a chemical equation called...
2H2 + O2 --> 2H2O
2H2 + O2 --> 2H2O
a)
Reactants
b)
Products
c)
Subscripts
d)
Coefficients
4.
In 3P2O5, there are (a) phosphorus (P) atoms and (b) oxygen (O) atoms.
Choose from the below words
6
15
8
3
12
21
5.
How many HCl molecules do you need to balance this equation?
Mg + __HCl ---> MgCl2 + H2
Mg + __HCl ---> MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
6.
What coefficient needs to go in front of silver (Ag) on the products side to finish balancing this equation?
2Ag2O → __Ag + O2
a)
4
b)
2
c)
1
d)
3
7.
Balance this equation:
(a) CH4 + (b) O2 --> (c) CO2 + (d) H2O
Choose from the below words
1
2
3
4
Reset
