Worksheetsbalancing and identifying different types of equations
Total questions: 11
Worksheet time: 10mins
Name
Class
Date
1.
Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe
a)
Yes
b)
No
2.
Balance this equation-
__P4 + __O2 --> __P2O3
__P4 + __O2 --> __P2O3
a)
it is already balanced
b)
2, 1, 3
c)
1, 2, 3
d)
1, 3, 2
3.
Balance this equation.
_CF4 + _Br2 -- _CBr4 + _F2
_CF4 + _Br2 -- _CBr4 + _F2
a)
2,1,2,1
b)
1,2,2,1
c)
1,2,1,2
d)
2,2,2,2
4.
What is a coefficient?
a)
The small number on the right of the chemical symbol.
b)
The large number to the left of a formula.
5.
At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?
a)
the product is doubled
b)
the product is half the mass of the reactants
c)
the mass is the same
d)
the mass changes depending on the reaction
6.
Ca + AlCl3 --> CaCl2 + Al
a)
Synthesis
b)
Decomposition
c)
Single replacement
d)
Double replacement
7.
3Mg + N2 --> Mg3N2
a)
Synthesis
b)
Decomposition
c)
Single replacement
d)
Double replacement
8.
NO2 --> N2 + O2
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
double replacement
9.
AgF + CaCl2 ---> AgCl + CaF2
a)
double replacement
b)
decomposition
c)
single replacement
d)
synthesis
10.
MgO ----> Mg + O2
a)
synthesis
b)
single replacement
c)
decomposition
d)
double replacement
11.
What type a reaction is taking place in this picture?
a)
Synthesis
b)
Decomposition
c)
Single Replacement
d)
Double Replacement
100 %
