Class 7 Science Curiosity | ChAPTER- 2 | Exploring Substances: Acidic, Basic & NeutraI |CBSE | KVS Chapter Summary – Key Points Substances are classified into three types based on their chemical nature: Acidic (e.g., lemon juice, vinegar) Basic (e.g., soap solution, baking soda) Neutral (e.g., water, salt solution) Indicators are special substances that change colour in acidic or basic solutions. Used to identify the nature of a substance. Natural Indicators include: Litmus (from lichens): Blue to red → Acid Red to blue → Base Red rose extract: Red in acid, green in base Turmeric: Turns red in base; no change in acid/neutral Onion/Vanilla (olfactory indicators): Smell changes with acids/bases Taste and feel clues: Acids taste sour (like lemon) Bases taste bitter and feel slippery (like soap) But taste tests should not be done in experiments Neutralisation reaction: Acid + Base → Salt + Water + Heat Used in many daily life scenarios Examples of neutralisation in daily life: Ant bite (acid) treated with baking soda (base) Acidic soil treated with lime (base) Industrial waste (acidic) treated with base before disposal Namaste! 🙏 Welcome to our channel! Here, you will find Sanskrit shlokas explained with simple Hindi meanings, Hindi grammar lessons, and engaging content for NCERT and KVS curriculum for Classes 2, 3, 4, and 5. ✨ Key Topics Covered: ✔️ Sanskrit Shlokas (with Hindi Meaning) ✔️ Hindi Grammar Lessons ✔️ NCERT & KVS Curriculum for Classes 2, 3, 4, and 5 ✔️ Hindi Moral Stories & Educational Content ✔️ Mathematics and Other Subjects Simplified 🎥 Explore Our Playlists: 📌 Sanskrit Shloka Collection 👉 Watch Now • श्लोकावली- SHLOKAWALI 📌 Hindi Grammar 👉 Watch Now 📌 Class 2 Hindi (Sarangi Book) 👉 Watch Now • Class 2-Hindi-Sarangi 📌 Class 2 Mathematics (Joyful Mathematics) 👉 Watch Now • Joyful Mathematics Class 2 📌 Class 3 Hindi (Veena Book) 👉 Watch Now • Class 3 | HINDI BOOK |वीणा 📌 Class 3 Mathematics (MathsMela) 👉 Watch Now • MATHS MELA_CLASS 3 CLASS 6 SCIENCE CURIOSITY • CURIOSITY #cbse #class6 #curiosity #scienc... 📢 Subscribe Now and Join Us in the Journey of Learning! 📢 🎯 #Sanskrit #Shlokas #NCERT #KVS #HindiGrammar #MoralStories #Education #CBSE In Hindi 📚 संस्कृत श्लोक हिंदी अर्थ सहित | हिंदी व्याकरण | NCERT & KVS Classes 🎓 नमस्कार! 🙏 हमारे चैनल पर आपका स्वागत है! यहां आपको संस्कृत श्लोकों का सरल हिंदी अर्थ सहित पाठ, हिंदी व्याकरण, और कक्षा 2, 3, 4 व 5 के लिए NCERT और KVS पाठ्यक्रम से जुड़ी पुस्तकें और रोचक विषय मिलेंगे। ✨ हमारे प्रमुख विषय: ✔️ संस्कृत श्लोक (हिंदी अर्थ सहित) ✔️ हिंदी व्याकरण ✔️ कक्षा 2, 3, 4, और 5 के लिए NCERT और KVS पाठ्यक्रम ✔️ हिंदी कहानियाँ और नैतिक शिक्षा ✔️ गणित और अन्य विषयों के सरल व्याख्यान 🎥 हमारी प्लेलिस्ट देखें: 📌 संस्कृत श्लोक संग्रह 👉 देखें • श्लोकावली- SHLOKAWALI 📌 हिंदी व्याकरण 👉 देखें 📌 कक्षा 2 हिंदी (सरंगी) 👉 देखें / playlist list=PLNatWILsBo5f74hRv1j09Ajy5zqT9aH3N 📌 कक्षा 2 गणित (Joyful Mathematics) 👉 देखें • Joyful Mathematics Class 2 📌 कक्षा 3 हिंदी (वीणा) 👉 देखें 📌 कक्षा 3 गणित (MathsMela) 👉 देखें 📢 सब्सक्राइब करें और ज्ञान की यात्रा में हमारे साथ जुड़ें! 📢 🎯 #संस्कृत #श्लोक #NCERT #KVS #हिंदीव्याकरण #कहानियाँ #मोरलस्टोरीज #संस्कृतश्लोक #हिंदीअर्थ #ncertclass2 #ncertclass3 #ncertclass4 #hindikahaniyan #moralstories #cbse #kvs #ncertcourse #gita #geeta #bhagwadgita #class2ncert #class3ncert #newncert #curiosity #joyful #kids #students #hindiNCERT #Education #Learning #KidsEducation #StudyWithMe #OnlineLearning #SmartLearning #SchoolLife #CBSEBoard #NCERTBooks #Ebooks #DigitalLearning #Sanskrit #SanskritShlok #SanskritLearning #BhagavadGita #ShlokWithMeaning #ShlokHindiMeaning #SanskritChants #SpiritualLearning #AncientWisdom #HinduScriptures #HindiGrammar #HindiVyakaran #LearnHindi #HindiForBeginners #GrammarLessons #LanguageLearning #HindiSpeaking #SpokenHindi #HindiNCERT #HindiStories #Class1 #Class2 #Class3 #Class4 #Class5 #NCERTSolutions #CBSEClass2 #CBSEClass3 #NCERTHindi #NCERTMaths #JoyfulMaths #KVSStudents #NewNCERTBooks #KidsLearning #MoralStories #BedtimeStories #StoryTime #AnimatedStories #KidsEducationVideos #StudentLife #CreativeLearning #FunWithLearning