Amphoteric: Definition, Properties & Examples


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In chemistry, what is an amphoteric substance?

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1. Aluminum hydroxide (Al(OH)3) is an amphoteric substance. If it reacts with NaOH, what is its role?

2. Lead oxide (PbO) is an amphoteric substance. Which of the following statements is INCORRECT?

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About This Quiz & Worksheet

Amphoteric substances can have two distinct, opposite purposes. In this quiz, your understanding of the definition of amphoteric substances, as well as their reactions, will be assessed.

Quiz & Worksheet Goals

The goal of this quiz is to see how well you understand:

  • The definition of 'amphoteric substance'
  • What can act as an amphoteric substance
  • An amphoteric substance's role in a reaction
  • Identifying what happens in chemical reaction practice problems involving amphoteric substances

Skills Practiced

  • Reading comprehension - draw the most relevant information from the lesson on amphoteric substances
  • Critical thinking - apply what you've learned to draw conclusions from an image depicting a chemical reaction
  • Information recall - access the knowledge you've learned about when an amphoteric substance takes on the role of an acid or a base

Additional Learning

Those looking for more information on amphoteric substances can read through the lesson called Amphoteric: Definition, Properties & Examples. The lesson will cover the following objectives:

  • Define amphoteric substances
  • Examine examples of amphoteric substances (water, aluminum hydroxide, etc.) and how they act as both an acid and a base