Chapter-Chapter 2. Exploring Substances – Acidic, Basic and Neutral Science Curiosity class 7 in english Medium CBSE Notes

Chapter 2: Exploring Substances – Acidic, Basic and Neutral – Assignments

1 Mark Questions:

Q1. What is an acid?

Q2. What is a base?

Q3. What is a neutral substance?

Q4. What is an indicator?

Q5. What is litmus?

Q6. What is neutralization?

Q7. Name one natural indicator.

Q8. Name one artificial indicator.

Q9. What is salt?

Q10. What happens to blue litmus in acid?

2 Marks Questions:

Q1. Define acids with one example.

Q2. What are bases? Give two examples.

Q3. What are indicators? Why are they used?

Q4. Differentiate between acids and bases.

Q5. What is neutralization? Give one example.

Q6. Write two properties of acids.

Q7. Write two properties of bases.

Q8. What are natural indicators? Give examples.

Q9. Why should we not taste chemicals?

Q10. Write two uses of acids and bases in daily life.

3 Marks Questions:

Q1. Explain the properties of acids and bases.

Q2. Describe different types of indicators with examples.

Q3. Explain the neutralization reaction with an example.

Q4. Describe the uses of acids and bases in daily life.

Q5. Differentiate between natural and artificial indicators.

Q6. Explain how indicators help in identifying substances.

Q7. Describe the importance of neutralization in daily life.

Q8. Write differences between acidic, basic, and neutral substances.

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