NEW
Font size
S
M
L
XL
WorksheetsReaction - balance and types
Total questions: 11
Worksheet time: 18mins
Name
Class
Date
1.
Which of these state symbols is NOT correctly matched to its meaning?
a)
(g) = grams
b)
(l) = liquid
c)
(s) = precipitate
d)
(aq) = soution
2.
What do we call the numbers we use to balance reactions?
a)
subscripts
b)
coefficients
c)
congruents
d)
superscripts
3.
How many hydrogens are in 3 (NH4)2CrO4?
a)
4
b)
2
c)
8
d)
24
4.
What type of reaction is this?
Cl2 + 2KI → I2 + 2KCl
Cl2 + 2KI → I2 + 2KCl
a)
synthesis
b)
single displacement
c)
double displacement
d)
decomposition
5.
What coefficients are needed to balance... __P4 + __O2 →__P2O3
a)
1,3,2
b)
1,1,1
c)
1,2,3
d)
2,1,2
6.
What coefficients are needed to balance... __AgNO3 + __Cu → __Cu(NO3)2 + __Ag
a)
4,2,1,2
b)
1,1,1,1
c)
1,2,1,2
d)
2,1,1,2
7.
What coefficients are needed to balance... __CH4 + __O2 → __CO2 + __H2O
a)
2,1,2,1
b)
1,2,1,2
c)
1,1,1,1
d)
1,3,1,3
8.
What law says that the mass of the reactants should equal the mass of the products in a chemical equation?
a)
Law of Constant Mass
b)
Law of Conservation of Mass
c)
Law of Preservation of Mass
d)
Law of Balance of Mass
9.
What type of reaction is this?
2 Na3PO4 + 3 CaCl2 → Ca3(PO4)2 + 6 NaCl
2 Na3PO4 + 3 CaCl2 → Ca3(PO4)2 + 6 NaCl
a)
single displacement
b)
double displacement
c)
synthesis
d)
decomposition
10.
What type of reaction is this?
2Pb(NO3)2 → 2PbO + 4NO2 + O2
2Pb(NO3)2 → 2PbO + 4NO2 + O2
a)
synthesis
b)
decomposition
c)
single displacement
d)
combustion
11.
Which of these correctly represents the reaction:
Aqueous magnesium chloride reacts with aqueous silver nitrate to produce solid silver chloride and aqueous magnesium nitrate.
a)
MgCl(aq) + AgNO3(aq) → AgCl(s) + MgNO3(aq)
b)
MgCl2(aq) + 2AgNO3(aq) → 2AgCl(s) + MgNO3(aq)
c)
MgCl2(aq) + 2AgNO3(aq) → 2AgCl(s) + Mg(NO3)2(aq)
d)
2MgCl(aq) + 2AgNO3(aq) → 2AgCl(s) + Mg(NO3)2(aq)
Reset
