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NCERT Solutions for Class 7 Curiosity Chapter 2 Exploring Substances: Acidic, Basic, and Neutral

NCERT Solutions for Class 7 Curiosity Chapter 2 Exploring Substances: Acidic, Basic, and Neutral  Page No. 10 Question 1. What are these red and blue litmus paper strips made of? Why do they change colour when drops of some samples are put on them? Answer: Red and blue litmus paper strips are made from paper soaked in an extract of lichens. They change colour when they come in contact with acidic or basic substances. Acidic substances turn blue litmus to red, and basic substances turn red litmus to blue. Question 2. Do you find lichens on trees in your neighbourhood? Answer: Yes, lichens can be found growing on trees, especially in areas with clean air and good rainfall. Question 3. If litmus is not available, are there some other natural substances that can serve as acid- base indicators? Answer: Yes, there are other natural substances that can be used as acid-base indicators, such as red cabbage juice, turmeric, and rose extract. These substances also change colour in the pr...

NCERT Solutions for Class 7 SST Chapter 12 Understanding Markets

NCERT Solutions for Class 7 SST Chapter 12 Understanding Markets Page No. Question 1: What are markets and how do they function? बाजार क्या होते हैं और वे कैसे कार्य करते हैं? Answer Markets are places or systems where buyers and sellers exchange goods and services. They may be weekly markets, shops, malls or online platforms. Markets function through buying and selling, where sellers offer products and consumers choose and purchase them according to their needs, quality and price. बाजार वे स्थान या व्यवस्थाएँ हैं जहाँ खरीदार और विक्रेता वस्तुओं तथा सेवाओं का आदान-प्रदान करते हैं। ये साप्ताहिक बाजार, दुकानें, मॉल या ऑनलाइन प्लेटफॉर्म हो सकते हैं। बाजार में विक्रेता वस्तुएँ बेचते हैं और उपभोक्ता अपनी आवश्यकता, गुणवत्ता तथा कीमत के अनुसार वस्तुओं का चयन करके खरीदारी करते हैं। Question 2: What is the role of markets in people’s lives?  ‍व्यक्तियोंं के जीवन में बाजारोंं की क्‍‍या भूमिका है? Answer Markets play an important role in people’s lives by providing a variety of goods and...

NCERT Solutions for Class 7 SST Chapter 7 The Gupta Era: An Age of Tireless Creativity

NCERT Solutions for Class 7 SST Chapter 7 The Gupta Era: An Age of Tireless Creativity The Big Questions? (Page 145) Question 1. Who were the Guptas? Why is the Gupta period sometimes called the ‘classical age’ in Indian history? गुप्त कौन थे?  गुप्त काल को  कभी-कभी भारतीय इतिहास में ‘उत्कृष्ट युग’ क्यों कहा जाता है? Answer: The Guptas were a powerful dynasty that ruled large parts of northern and central India from the 4th to 6th century CE. Their period is called the ‘classical age’ because India made remarkable progress in literature, science, mathematics, art, architecture, and education. Great scholars, poets, scientists, and artists flourished, making this era a period of cultural achievement. गुप्त एक शक्तिशाली राजवंश था, जिसने चौथी से छठी शताब्दी ईस्वी के बीच उत्तरी और मध्य भारत के बड़े भाग पर शासन किया। गुप्त काल को भारतीय इतिहास का ‘उत्कृष्ट युग’ कहा जाता है क्योंकि इस समय साहित्य, विज्ञान, गणित, कला, वास्तुकला और शिक्षा के क्षेत्र में उल्लेखनीय प्रगति हुई। महान...

NCERT Solutions for Class 7 SST Chapter 6 The Age of Reorganisation

NCERT Solutions for Class 7 SST Chapter 6 The Age of Reorganisation  पनुर्गठन का काल Question 1: Why is the period that followed the Maurya empire sometimes called the ‘Age of Reorganisation’?  मौर्योत्तर काल को कभी-कभी ‘पनुर्गठन का काल’ क्यों कहा जाता है? Answer The period after the Maurya Empire is called the ‘Age of Reorganisation’ because political power was reorganised across different regions. Several new kingdoms and dynasties emerged, while older political structures changed. New rulers, trade networks, cultural influences and artistic traditions developed. These changes reshaped Indian society and politics, creating new centres of power and contributing to the development of regional cultures. मौर्य साम्राज्य के बाद के काल को ‘पुनर्गठन का काल’ कहा जाता है क्योंकि विभिन्न क्षेत्रों में राजनीतिक शक्ति का पुनर्गठन हुआ। कई नए राज्य और राजवंश उभरे तथा पुरानी राजनीतिक व्यवस्थाओं में परिवर्तन आया। नए शासक, व्यापारिक मार्ग, सांस्कृतिक प्रभाव और कला की परंपराएँ विकसित हुई...

NCERT Solutions for Class 7 SST Chapter 5 The Rise of Empires

NCERT Solutions for Class 7 SST Chapter 5 The Rise of Empires साम्राज्यों का उदय Page 83  The Big Questions? Question 1. What is an empire? साम्राज्य क्या होता है? Answer: An empire is a large political territory ruled by one powerful ruler or central government. It is formed by bringing different kingdoms, regions or peoples under one authority through conquest, alliances or administration. साम्राज्य एक बड़ा राजनीतिक क्षेत्र होता है, जिस पर किसी शक्तिशाली शासक या केंद्रीय सरकार का शासन होता है। यह विजय, संधि या प्रशासन के माध्यम से विभिन्न राज्यों, क्षेत्रों और लोगों को एक शासन के अधीन लाने से बनता है। Question 2. How did empires rise and shape Indian civilisation? साम्राज्यों का उदय कैसे हुआ और उन्होंने भारतीय सभ्यता को कैसे आकार दिया? Answer: Empires rose when powerful rulers conquered and united many kingdoms and territories under one administration. They developed strong armies, efficient systems of governance, trade networks and infrastructure. Great empires such as the ...