AP Chemistry

Quiz
•
Chemistry
•
12th Grade
•
Hard
+4
Standards-aligned
Charles Martinez
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following chemical systems represents an exothermic chemical change?
H2O(l) -> H2O(g)
H2O(g) -> H2O(l)
H2(g) + ½ O2(g) -> H2O(l)
H2O(l) -> H2(g) + ½ O2(g)
Tags
NGSS.HS-PS1-4
NGSS.HS-PS3-4
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
1. Which of the following curves would represent the change in pH in a conical flask when a solution of hydrochloric acid (from a burette) is added to a solution of sodium hydroxide (in the conical flask)?
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following combinations could be used to produce a buffer solution?
CH3COOH and CH3COONa
NH4OH and CH3COOH
NaOH and NaCl
HCl and NaCl
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bromothymol blue is an acid/base indicator which can be used to test the pH of swimming pools and fish tanks. It changes from yellow to blue across a pH range of 6.0 – 7.5. Which alternative matches the solutions shown with the correct indicator colour?
Tags
NGSS.HS-PS1-2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If equal volumes of 0.10 mol L–1 HCl solution and 0.10 mol L–1 HNO2 solution are compared, which would be true of the HNO2 solution?
It would have a higher pH.
It would have a higher hydronium ion concentration.
It would produce a smaller volume of hydrogen gas when reacted with magnesium.
It would require a smaller volume of 0.10 mol L–1 NaOH solution for neutralisation
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The figure below shows the change in the concentration of reactant and products as a function of time for the reaction:
The temperature was suddenly increased.
The pressure of the system was decreased.
The volume of the vessel was suddenly decreased.
Additional nitrogen gas was injected into the vessel
Tags
NGSS.HS-PS1-5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is a correct statement about compounds of a homologous series?
Each homologue has at least 2 isomers.
Each subsequent molecular mass increases by 14 g/mol
All compounds in the series have the same empirical formula
Each molecular formula varies from the next by the addition of CH3.
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