Vitorr classes

  Current Affairs 2024–2025 – RRB NTPC ✍️ Bilingual (English + Hindi) Questions Q1. Who launched the ‘Viksit Krishi Sankalp Abhiyan’ in May 2025? किसने मई 2025 में ‘विकसित कृषि संकल्प अभियान’ शुरू किया? A. Narendra Modi B. Shivraj Singh Chouhan ✅ C. Piyush Goyal D. Amit Shah Answer/उत्तर: ✅ B. Shivraj Singh Chouhan Q2. Where was the 'Viksit Krishi Sankalp Abhiyan' launched? ‘विकसित कृषि संकल्प अभियान’ कहां से शुरू किया गया? A. Varanasi B. Sakhigopal, Odisha ✅ C. Patna D. Bhopal Answer/उत्तर: ✅ B. Sakhigopal, Odisha Q3. Jyothi Yarraji won gold in which event at Asian Athletics Championships 2025? ज्योति याराजी ने एशियन एथलेटिक्स चैंपियनशिप 2025 में किस स्पर्धा में स्वर्ण पदक जीता? A. Long Jump B. 100-meter hurdles ✅ C. 400-meter race D. High Jump Answer/उत्तर: ✅ B. 100-meter hurdles Q4. Avinash Sable won gold in which event at the 2025 Asian Athletics Championships? अविनाश साबले ने 2025 एशियन एथलेटिक्स चैंपियनशिप में किस स्पर्धा में स्वर्ण पदक ...

  🔹 Top 100 Repeated GK Questions (Bilingual) Part 1 Who is known as the Missile Man of India? भारत के मिसाइल मैन के रूप में किसे जाना जाता है? ✅ Dr. A.P.J. Abdul Kalam | डॉ. ए.पी.जे. अब्दुल कलाम Who wrote the National Anthem of India? भारत का राष्ट्रगान किसने लिखा था? ✅ Rabindranath Tagore | रवींद्रनाथ ठाकुर What is the capital of Bhutan? भूटान की राजधानी क्या है? ✅ Thimphu | थिम्फू Where is ISRO headquarters located? इसरो का मुख्यालय कहां है? ✅ Bengaluru | बेंगलुरु Who was the first woman Prime Minister of India? भारत की पहली महिला प्रधानमंत्री कौन थीं? ✅ Indira Gandhi | इंदिरा गांधी What is the currency of Japan? जापान की मुद्रा क्या है? ✅ Yen | येन Which planet is known as the Red Planet? किस ग्रह को लाल ग्रह कहा जाता है? ✅ Mars | मंगल ग्रह Who invented the light bulb? बल्ब का आविष्कार किसने किया था? ✅ Thomas Edison | थॉमस एडिसन When did India get independence? भारत को स्वतंत्रता कब मिली? ✅ 1947 | 1947 Which is the longest river in India?...

  📌 Introduction: Matter exists as elements, compounds, and mixtures. Currently, 118 elements are known, 94 of which are naturally occurring. With increasing discoveries, scientists needed a system to organize elements based on their properties. 📌 Early Attempts of Classification: Döbereiner’s Triads (1817) : Grouped elements in triads (groups of 3). The atomic mass of the middle element was the average of the other two. Limitation: Only a few triads could be identified. Newlands’ Law of Octaves (1866) : Every eighth element had properties similar to the first, like musical notes. Worked only up to calcium. Flawed as he forced placement of dissimilar elements together. 📌 Mendeleev’s Periodic Table (1869): Based on increasing atomic mass and similar properties. Left gaps for undiscovered elements like Eka-Aluminium (later Gallium). Predicted properties of some elements successfully. Limitations: Hydrogen's position was unclear. No place for...