WorksheetsOrganic/ Balancing equations
Total questions: 21
Worksheet time: 1hrs 3mins
Name
Class
Date
1.
Balance this equation:
MgCl2 --> Mg4+ Cl2
MgCl2 --> Mg4+ Cl2
a)
It's already balanced.
b)
4MgCl2 --> Mg4+ 4Cl2
c)
4MgCl2 --> Mg4+ 5Cl2
2.
PCl5 + ___ H2O → ___ HCl + H3PO4
a)
4, 5
b)
1, 6
c)
3, 8
d)
2,2
3.
Mg + ___ HCl → MgCl2 + H2
a)
1
b)
2
c)
3
d)
4
4.
__ Al + __ FeO → Al2O2 + __ Fe
a)
1, 1, 2
b)
2,1,2
c)
2, 2, 2
d)
2,4,2
5.
Which side of a chemical equation is the reactant side?
a)
Left (before the yields sign)
b)
Right (after the yields sign)
6.
Which side of a chemical equation os the product side?
a)
Left (before the yields sign)
b)
Right (after the yields sign)
7.
Which problem is balanced?
a)
PbO2 + 2H2
b)
SO2 + H20 --> H2SO4
c)
2Na + 2H2O --> 2NaOH + H2
8.
Balance this equation.
_SnO2 +_H2-->_Sn +_H2O
_SnO2 +_H2-->_Sn +_H2O
a)
1,1,2,1
b)
1,2,1,1
c)
1,2,1,2
d)
1,2,2,1
9.
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
10.
Balance this equation.
_SnO2 +_H2-->_Sn +_H2O
_SnO2 +_H2-->_Sn +_H2O
a)
1,1,2,1
b)
1,2,1,1
c)
1,2,1,2
d)
1,2,2,1
11.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
12.
The compound CHO is...
a)
inorganic
b)
organic
13.
Which compound is inorganic?
a)
Glucose (C₆H₁₂O₆)
b)
Ethane (C₂H₆)
c)
Carbon Dioxide (CO₂)
d)
Stearic Acid (C₁₈H₃₆O₂)
14.
The four organic compounds found in living things are?
a)
Carbohydrates, Lipids, Nucleic Acids, and Oxygen
b)
Carbohydrates, Lipids, Proteins, and Carbon
c)
Carbohydrates, Lipids, Proteins, Nucleic Acids
d)
Carbon, Lipids, Proteins, Nucleic Acids
15.
Cpompound Function: to provide energy, can be broken doen into sugars
a)
Lipids
b)
Proteins
c)
Nucleic Acids
d)
Carbohydrates
16.
Compound Function: Build organelles, build body parts, and helps with body defense
a)
Proteins
b)
Carbohydrates
c)
Nucleic Acids
d)
Lipids
17.
Compound Function: store long term energy
a)
Lipids
b)
Carbohydrates
c)
Nucleic Acids
d)
Proteins
18.
Which is not a chemical element needed to build sugars?
a)
Carbon
b)
Oxygen
c)
Nitrogen
d)
Hydrogen
19.
What is a protein:
a)
A polymer composed of many sugars.
b)
A polymer composed of many amino acids.
c)
A polymer composed of fatty acids.
d)
A polymer composed of nucleotides.
20.
What is the monomer of proteins?
a)
amino acids
b)
polypeptides
c)
nucleotides
d)
monosaccharides
21.
_______ dictates the function of a protein
a)
Shape
b)
Temperature
c)
pH
d)
Time
100 %
