Acidic, Basic, and Neutral Solutions

Acidic, Basic, and Neutral Solutions

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Practice Problem

Hard

Created by

Emma Peterson

FREE Resource

The video explores whether potassium carbonate (K2CO3) is acidic, basic, or neutral in water. It begins by discussing the neutralization reaction that forms potassium carbonate, identifying potassium hydroxide (KOH) as a strong base and carbonic acid (H2CO3) as a weak acid. The video then explains how to use these strengths to determine that the solution will be basic, with a pH greater than seven, when potassium carbonate is dissolved in water.

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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main question addressed in the video regarding potassium carbonate?

Whether it reacts with metals

Whether it is a strong acid

Whether it is acidic, basic, or neutral in water

Whether it is soluble in water

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two substances react to form potassium carbonate?

Potassium hydroxide and carbonic acid

Calcium carbonate and acetic acid

Sodium hydroxide and hydrochloric acid

Potassium chloride and sulfuric acid

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'OH' in KOH indicate about the substance?

It is an acid

It is neutral

It is a salt

It is a base

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is identified as a strong base in the video?

Sulfuric acid

Sodium chloride

Potassium hydroxide

Carbonic acid

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the nature of carbonic acid as discussed in the video?

Strong acid

Weak acid

Strong base

Neutral

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expected pH of a solution formed by a strong base and a weak acid?

Less than 7

Unpredictable

Exactly 7

Greater than 7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of solution does potassium carbonate form in water?

Amphoteric

Basic

Neutral

Acidic

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