✅ What is Xenon? Xenon is a chemical element belonging to the noble gases group of the periodic table. It is a rare, heavy, colorless, and odorless gas known for its chemical inertness. Despite being largely unreactive, xenon can form compounds under special conditions. Click to link ✅ Detailed Information about Xenon (Competitive Exam Focus) Symbol: Xe Atomic Number: 54 Atomic Mass: ~131.29 u Electronic Configuration: [Kr] 4d¹⁰ 5s² 5p⁶ Group: 18 (Noble Gases) Period: 5 🔹 Occurrence Xenon is extremely rare in the Earth’s atmosphere (about 0.0000087% by volume ). Commercially obtained by fractional distillation of liquid air . 🔹 Physical Properties State: Gas (under standard conditions) Color: Colorless Odor: Odorless Density: ~5.9 kg/m³ (heavier than air) Melting Point: −111.8 °C Boiling Point: −108.1 °C 🔹 Chemical Properties Inert Nature: Like other noble gases, xenon is generally chemically unreactive . Reactivity: Under specia...
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Showing posts from July, 2025
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1. The term ‘cell-free DNA’ often heard in the news refers to: A. Somatic cells that do not contain any DNA material. B. Fragments of DNA that are present directly in the bodily fluids. C. DNA of animals that are present in soil, water and other abiotic factors of the environment. D. Genetically modifying an organism outside the cell. 2. With reference to shadow puppetry, consider the following statements: 1. It features stories that were drawn from Indian epics like the Mahabharata 2. The performance typically starts at night and continues until dawn. 3. The tradition of shadow puppetry has been popular in Southeast Asia as well. How many of the above statements are correct? A. Only one B. Only two C. All three D. None KEY ANS
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Parag Jain Appointed New RAW Chief for Two-Year Term •The government has appointed senior IPS officer Parag Jain as the next Secretary of the Research and Analysis Wing (R&AW) for a term of two years. • Jain, who is a 1989-batch IPS officer of the Punjab cadre, will succeed Ravi Sinha. • Research and Analysis Wing (R&AW) is the foreign intelligence agency of the Republic of India. • The agency’s primary function is gathering foreign intelligence, counter-terrorism, counter-proliferation, advising Indian policymakers, and advancing India’s foreign strategic interests. • It is also involved in the security of India's nuclear programme. • Formed: 21 September 1968 • Headquarters: New Delhi • Motto: Dharmō Rakṣati Rakṣitaḥ (Dharma protects, When it is protected) • Minister responsible: Narendra Modi, Prime Minister of India • Secretary: Parag Jain • Parent department: Cabinet Secretariat India’s First Wildlife Corridor Built on...