This detailed line-by-line NCERT explanation covers all concepts, activities, indicators, and competency-based questions as per the New CBSE Pattern 2026. Exploring Substances: Acidic, Basic and Neutral Class 7 Science Chapter 2 New Syllabus(Curiosity) Class: 7 Subject: Science ( Curiosity ) Chapter: 2 ( Exploring Substances: Acidic, Basic and Neutral) Medium: English Board: CBSE/NCERT 📘 What’s Inside This Video? ✔️ Complete NCERT Line-by-Line Explanation ✔️ Activity 2.1 – Testing substances using Blue & Red Litmus Paper ✔️ Natural Indicators – Red Rose Extract & Turmeric Paper ✔️ Acid, Base & Neutral – Concept clarity with examples ✔️ Olfactory Indicators (Onion experiment) ✔️ Neutralisation Reaction – Acid + Base → Salt + Water + Heat ✔️ Real-Life Applications: Ant bite (Formic acid) Soil treatment using lime Industrial waste neutralisation ✔️ All In-text Questions & Exercises Explained ✔️ Flowchart-based & Case-study-based questions covered 🎯 2026 Board Focus (Competency-Based Learning) This video is specially structured for: 🔹 Case Study Based Questions 🔹 Assertion-Reason Type Questions 🔹 Experiment-Based MCQs 🔹 Application-Based Questions 🔹 HOTS (Higher Order Thinking Skills) 🔹 Diagram Interpretation (Litmus test, Neutralisation experiment) CBSE is focusing more on Concept Application & Experiment Analysis, and this chapter is extremely important for internal assessments and term exams. 📥 FREE Notes Available Handwritten / Typed structured notes are available. To get FREE Notes: 1️⃣ Subscribe to the channel