PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoGive the correct answer to the following questions:
Divya observed different situations around her in a single day:
- In the morning, her grandmother applied a paste of baking soda on an ant bite, and the pain reduced.
- Later, her brother used an antacid to relieve stomach acidity.
- In the garden, she saw her father adding lime to the soil to improve plant growth.
- In the evening, she read that factory wastes are treated before being released into water bodies.
Based on these observations, answer the following questions:
1. If an ant bite contains an acidic substance, what will happen if another acid is applied instead of a base?
2. Which of the following substances can give quick relief from acidity?
3. Why should farmers check the soil before adding lime or organic matter?
4. An industrial worker adds a base to acidic factory waste. What change in pH is expected?
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