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Class 10 Chemistry Chapter 1 – Chemical Reactions and Equations 📘 Class 10 Chemistry – Chapter 1 Chemical Reactions and Equations 1. What is Chemistry? Chemistry is the branch of science that deals with the composition, structure, properties and changes of matter . 2. Chemical Reaction A chemical reaction is a process in which one or more substances (reactants) are converted into new substances (products) with different properties. Example: Magnesium + Oxygen → Magnesium Oxide Observations during Chemical Reaction Change in colour Change in temperature Evolution of gas Formation of precipitate Change in state 3. Chemical Equation A chemical equation is the symbolic representation of a chemical reaction using symbols and formulas. Word Equation: Calcium Carbonate → Calcium Oxide + Carbon Dioxide Chemical Equation: CaCO₃ → CaO + CO₂ 4. Balanced Chemical Equation Unbalanced: H₂ + O₂ → H₂O Balanced: 2H₂ + O₂ → 2H₂O Law of Co...

1. Launch of the ₹1 Lakh Crore R&D & Innovation Scheme at the Emerging Science & Technology Innovation Conclave 2025 (November 3) 6 On 3 November 2025, Narendra Modi inaugurated the “Emerging Science & Technology Innovation Conclave 2025” in Delhi and launched a ₹1 Lakh Crore Research Development & Innovation (RDI) Scheme aiming to boost private-sector-led R&D across India. PM India Why it matters: It signals a strong push by the government to go beyond government research and encourage private innovation — in areas like semiconductors, quantum tech , bio-manufacturing and agriculture. PM India For students (like you, preparing for engineering) and academia this opens new possibilities: research grants, startup opportunities, greater industry-academia linkups. Strategically, this move helps India position itself in the global tech-race — especially in semiconductors and emerging hardware, where self-reliance is increasingly important. Impact to ...

Top AI & Tech Jobs by 2030 — Earn in Crores! Updated: 2025 Top AI & Tech Jobs by 2030 — Earn in Crores! A clear, practical guide to the highest-growth tech roles that could pay you multiple crores (INR) by 2030 — what they do, why they’ll pay so well, realistic salary ranges, and how to get started from zero. Why these jobs will pay crores In the next five years AI will be fused into every major industry — finance, healthcare, defence, media, energy, and manufacturing. Roles that combine deep technical skill, industry knowledge, and business impact will command premium pay. In India, senior leaders, founders, and rare technical experts in these domains can scale compensation into crores through salary, stock, and profit-sharing. Top AI & Tech Jobs to Target (2030) 1. AI Research Scientist / Deep Learning Researcher What they do: Advance state-of-the-...

India & Foreign Affairs — Challenges and Strategies (2025) India & Foreign Affairs — Challenges and Strategies (2025) By: Foreign Affairs Desk • October 28, 2025 Snapshot: India in 2025 balances strategic hedging and active diplomacy — deepening ties with the United States, engaging regionally through the Quad and Indo-Pacific frameworks, managing a fraught border relationship with China, experimenting with diversified multilateralism (including BRICS and G20), and recalibrating ties with neighbouring Afghanistan. Introduction Over the last decade India has pursued a pragmatic, interest-driven foreign policy that tries to maximize strategic autonomy while building partnerships across regions. Economic diplomacy, defence cooperation, maritime security, and soft-power outreach now sit alongside a renewed focus on neighbourhood stability. This post surveys the main theatres an...

Guide to IIT — Everything You Need to Know IIT IIT Guide Your compact resource for JEE & campus life About Admissions Student Life FAQ How to get into IIT — a practical, step-by-step guide Everything students need: exams (JEE Main & Advanced), application timeline, popular branches, campus life, scholarships and exam preparation tips. Start with Admissions What are the IITs? The Indian Institutes of Technology (IITs) are a group of autonomous public technical universities in India known for strong engineering programs, research, and alumni success in technology and entrepreneurship. Key facts Multiple campuses across India (IIT Bombay, Madras, ...