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Chapter 2 — Exploring Substances

Acidic, Basic, and Neutral · Class 7 Science · NCERT "Curiosity"
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Chapter Explanation

Concepts, indicators, neutralisation & real-life uses
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NCERT Q & A

In-text + exercise questions with answers
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Practice Sheet

MCQs, fill-blanks, true/false & match-the-following
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Quick Revision

One-page cheat-sheet for last-minute review
Tip: Read Explanation first → then attempt Practice → check Q&A → revise with Quick Revision a day before the test.