(2023-2024)-G8-Test 4-Revision
Authored by Nguyen Dat
Chemistry
8th Grade
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following pH numbers indicates an acid?
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following pH numbers indicate an alkali?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hydrogen
Water
Carbon dioxide
Salt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consider the following reaction:
HCl + KOH --> H2O + KCl
Identify the acid in the reaction above.
HCl
H2O
KOH
KCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consider the following reaction:
HCl + KOH --> H2O + KCl
Identify the base in the reaction above.
HCl
H2O
KOH
KCl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following would increase the rate of a chemical reaction?
Decreasing the temperature of the reaction
Increasing the temperature of the reaction
Removing a catalyst
Decreasing the concentration of the reactants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following would increase the rate of a chemical reaction?
Removing a catalyst
Diluting the chemicals
Decreasing the temperature
Adding a catalyst
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