Question 12 — Observe and analyse the information given - Questions at the end of the chapter - Chapter 2 Class 7 - Exploring Substances: Acidic, Basic, and Neutral

Last updated at August 16, 2026 by

Q12 (Medium): Observe and analyse the information given in the following flowchart. Complete the missing information. Imagine a garden with plants showing signs of poor health. The soil can be ______ in nature. Which indicator can be used to test the nature of the soil? The acidic soil can be treated with ____. The basic soil can be treated with ____.

Answer:
We have studied that soil pH affects plant growth and can be corrected using neutralisation . Based on the science:

💡 Complete the flowchart:
Soil Treatment Process Problem Plants showing poor health Cause Soil can be acidic or basic Test Use litmus paper indicator Treatment Acidic soil - add lime (basic) Treatment Basic soil - add organic matter (acidic) Healthy plant growth!
  • Soil can be acidic or basic in nature
  • Litmus paper can test soil nature
  • Acidic soil treated with lime (basic)
  • Basic soil treated with organic matter (acidic)
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