IPC Unit 4 Practice Test questions and
answers 2024\2025 A+ Grade
Choose the correct answer based on the reaction.
What are the products?
H2SO4(aq) --> H2(aq) + S(s) + O2(aq)
- correct answer H2 + S + O2
A bond formed when two atoms share their valence electrons to form a compound is a(n)
________________________ bond.
- correct answer Covalent
Burning wood is a chemical reaction that requires oxygen. Sometimes people start a fire by lighting
paper with a match and then blowing gently on the lit paper. Blowing on the lit paper helps the reaction
rate, or fire, go faster. Blowing on the lit paper moves more air, which contains oxygen, over the
reaction site.
Which statement is true about why this works?
- correct answer Blowing on a fire increases the concentration of oxygen and increases the reaction rate.
Choose the correct reaction type for the following.
1O2 + 1H2 --> 2H2O
- correct answer Synthesis
Name the compound.
BeCl2
- correct answer Beryllium Chloride
, A substance that loses electrons and becomes more positive is _______________________.
- correct answer Oxidized
Balance the equation.
___ CuCl2 + ____ H2s --> ___ CuS + ___ HCl
- correct answer - 1
-1
-1
-2
Balance the equation.
___ HgO + ___ Cl2 --> ___ HgCl + ___ O2
- correct answer - 2
-1
-2
-1
The law of conservation of mass states that ________________________ is neither created nor
destroyed during a chemical reaction.
- correct answer Matter
Which of these factors increases the rate of a reaction?
- correct answer Increasing the Surface Area
Which type of bond will cesium (Cs) and selenium (Se) form?
- correct answer Ionic Bond
A bond that is formed when there is a force of attraction between the opposite charges of ions is a(n)
________________________ bond.
- correct answer Ionic
answers 2024\2025 A+ Grade
Choose the correct answer based on the reaction.
What are the products?
H2SO4(aq) --> H2(aq) + S(s) + O2(aq)
- correct answer H2 + S + O2
A bond formed when two atoms share their valence electrons to form a compound is a(n)
________________________ bond.
- correct answer Covalent
Burning wood is a chemical reaction that requires oxygen. Sometimes people start a fire by lighting
paper with a match and then blowing gently on the lit paper. Blowing on the lit paper helps the reaction
rate, or fire, go faster. Blowing on the lit paper moves more air, which contains oxygen, over the
reaction site.
Which statement is true about why this works?
- correct answer Blowing on a fire increases the concentration of oxygen and increases the reaction rate.
Choose the correct reaction type for the following.
1O2 + 1H2 --> 2H2O
- correct answer Synthesis
Name the compound.
BeCl2
- correct answer Beryllium Chloride
, A substance that loses electrons and becomes more positive is _______________________.
- correct answer Oxidized
Balance the equation.
___ CuCl2 + ____ H2s --> ___ CuS + ___ HCl
- correct answer - 1
-1
-1
-2
Balance the equation.
___ HgO + ___ Cl2 --> ___ HgCl + ___ O2
- correct answer - 2
-1
-2
-1
The law of conservation of mass states that ________________________ is neither created nor
destroyed during a chemical reaction.
- correct answer Matter
Which of these factors increases the rate of a reaction?
- correct answer Increasing the Surface Area
Which type of bond will cesium (Cs) and selenium (Se) form?
- correct answer Ionic Bond
A bond that is formed when there is a force of attraction between the opposite charges of ions is a(n)
________________________ bond.
- correct answer Ionic
