AP Chemistry

AP Chemistry

12th Grade

20 Qs

quiz-placeholder

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AP Chemistry

AP Chemistry

Assessment

Quiz

Chemistry

12th Grade

Hard

NGSS
HS-PS1-4, HS-PS1-5, HS-PS1-2

+4

Standards-aligned

Created by

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)?

Media Image
Media Image
Media Image
Media Image

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?

Media Image
Media Image
Media Image
Media Image

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 HNO 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

Media Image

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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