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 Ncert Class 10 Metals and non-metals – definition, properties and examples धातु एवं अधातु – परिभाषा, गुणधर्म और उदाहरण परिचय हमारे चारों ओर मौजूद सभी पदार्थ धातु ( Metals ) और अधातु ( Non-metals ) के रूप में पाए जाते हैं। इनका अध्ययन विज्ञान के लिए बहुत महत्वपूर्ण है क्योंकि ये हमारे दैनिक जीवन में अलग-अलग उपयोगों में आते हैं। --- धातु (Metals) क्या हैं? धातुएँ वे तत्व हैं जिनमें विद्युत और ऊष्मा का अच्छा चालकत्व ( Conductivity ) पाया जाता है। ये सामान्यतः ठोस, कठोर और चमकदार ( Lustrous ) होती हैं। धातुओं के प्रमुख गुणधर्म 1. चमकदार (Lustrous) होती हैं। 2. विद्युत और ऊष्मा की अच्छी चालक होती हैं। 3. हथौड़े से पीटकर पतली चादर ( Malleable ) या तार ( Ductile ) बनाई जा सकती हैं। 4. धातुएँ प्रायः ठोस अवस्था में पाई जाती हैं (पारा – Mercury को छोड़कर)। 5. इनका घनत्व और गलनांक अधिक होता है। धातुओं के उदाहरण लोहा ( Fe ), ताँबा ( Cu ), एल्युमिनियम ( Al ), चाँदी ( Ag ), सोना ( Au ), जस्ता ( Zn ) आदि। --- अधातु (Non-metals) क्या हैं? अधातुएँ वे तत्व हैं जिनमें धातुओं के विपरीत गुणधर्म पाए ...

 Dust Of Snow Class 10 English  Summary of Dust of Snow The poem Dust of Snow by Robert Frost tells us how a very small and simple moment can completely change our mood and feelings. The poet was having a sad and hopeless day, but then something unexpected happened. A crow sitting on a hemlock tree shook down some snow , and a little bit of that snow fell on the poet. This tiny incident made the poet feel fresh and happy. His heart felt lighter, his mood changed, and he realized that his day was not completely wasted. What looked like an ordinary thing — snow falling from a tree — actually gave him hope and positivity. Through this poem, Frost teaches us that nature has the power to heal us. Even the smallest things in life, which we usually ignore, can bring joy, comfort, and peace. It also shows that sometimes happiness comes from unexpected places. Read More  What Are Words In English Grammar? Click here to visit my homepage

  Top 10 Latest Technology Trends 2025 Technology is evolving faster than ever, and staying updated is important for students, professionals, and digital learners. Here are the top 10 technology trends in 2025 you must know: 1. Artificial Intelligence (AI) Everywhere – From chatbots to personal assistants , AI powers daily life. 2. 5G and Beyond – Super-fast internet improves gaming , streaming , and smart devices . 3. Metaverse Growth – Virtual reality (VR) and augmented reality (AR) changing education and entertainment . 4. Smart Gadgets – Wearables , health trackers , and smart home devices . 5. Blockchain & Web3 – Secure transactions , NFTs , and decentralized apps . 6. Cybersecurity Advances – AI-based security to protect personal and financial data . 7. Cloud & Edge Computing – Faster storage and real-time processing . 8. Robotics & Automation – From factories to households , robots handle more tasks. 9. Green Technology – Solar , EVs , and sustainable...