pH Review

pH Review

Assessment

Interactive Video

Science

11th Grade

Practice Problem

Hard

Created by

Jennifer Callison-Bliss

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does hydronium have a positive charge?

The H is an electron, so now the H2O has an extra electron.

The H is missing an electron, so it has a positive charge.

The H is a proton, so now the H2O has an extra proton compared to electrons.

H2O lost an electron when the H came over.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

We think of pH as the concentration of H+ in a solution. This is the same as the concentration of ______.

H2O

H3O+

H+

OH-

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

At a low pH there is a _____ concentration of OH-

High

Low

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

At a low pH, there is a ______ concentration of H+

High

Low

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

At a high pH, there is a _____ concentration of H+

High

Low

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Basic solutions have a lot of ____.

H+

OH-

H3O

H2O

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Acidic solutions have a lot of _____.

H+

H3O+

OH-

H2O

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