What are the products formed when hydrochloric acid reacts with calcium oxide?
Neutralizing Hydrochloric Acid Experiment: Finding the Mass of Calcium Oxide Required

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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcium sulfate and water
Calcium carbonate and water
Calcium hydroxide and hydrogen
Calcium chloride and water
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a pH meter in the experiment?
To measure the volume of hydrochloric acid
To monitor the pH changes during the reaction
To determine the concentration of calcium oxide
To measure the temperature of the solution
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much hydrochloric acid is used in the experiment?
80 cubic centimeters
60 cubic centimeters
40 cubic centimeters
20 cubic centimeters
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the initial pH of the hydrochloric acid before adding calcium oxide?
1.3
3.5
5.0
7.0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it important to swirl the beaker after adding calcium oxide?
To prevent evaporation of the solution
To increase the reaction rate
To ensure thorough mixing of reactants
To cool down the reaction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
At what mass of calcium oxide does the pH of the solution reach 7?
1.5 grams
2.1 grams
3.0 grams
2.5 grams
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of plotting a graph in this experiment?
To find the exact volume of acid used
To calculate the concentration of the solution
To identify the mass of calcium oxide needed for neutralization
To determine the temperature change
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