Practice Common Applications of Bases (and Alkalis) - 5.5.2 | Chapter 5: Acids, Bases, and Salts | IB Grade 9 Chemistry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is an alkali?

💡 Hint: Think about what makes a base 'alkaline.'

Question 2

Easy

Name one use of sodium hydroxide.

💡 Hint: What common household product contains this chemical?

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the main role of sodium hydroxide as a cleaning agent?

  • It makes surfaces shine
  • It removes grease by saponification
  • It sanitizes the surface

💡 Hint: Think about what happens to fats when cleaned with strong bases.

Question 2

True or False: Calcium hydroxide is used to make acidic soil more neutral.

  • True
  • False

💡 Hint: Consider the benefits of balanced pH for plant health.

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Challenge Problems

Push your limits with challenges.

Question 1

Given a soil test result indicating a pH of 5.0, what amount of calcium hydroxide should be applied to gradually raise the pH to a neutral level (around 7)?

💡 Hint: Consider consulting with agricultural experts for tailored advice.

Question 2

Discuss the potential drawbacks of using sodium hydroxide in household products, including safety concerns and environmental impacts.

💡 Hint: Reflect on how safety and environmental considerations affect product design.

Challenge and get performance evaluation