Practice Indicators - 3.9 | 3. Study of Acids, Bases and Salts | ICSE Class 10 Chemistry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What color does litmus paper turn in a basic solution?

πŸ’‘ Hint: Think about how it reacts with bases.

Question 2

Easy

What color does methyl orange turn in an acidic solution?

πŸ’‘ Hint: Methyl orange changes colors between acid and base.

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 color does litmus paper turn in acidic solutions?

  • Blue
  • Red
  • Green

πŸ’‘ Hint: Recall the basic reaction of litmus paper.

Question 2

Methyl orange turns what color in a basic environment?

  • Yellow
  • Blue
  • Pink

πŸ’‘ Hint: Think about its color change from acid to base.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design an experiment to determine the acidity of an unknown solution using litmus paper and phenolphthalein. Describe the expected observations.

πŸ’‘ Hint: Think through each indicator's response in different environments.

Question 2

Explain the importance of pH indicators in environmental science.

πŸ’‘ Hint: Consider the real-world applications of pH.

Challenge and get performance evaluation