Bina Pighle Gas Banne Wali Baraf! 🥶 Dry Ice Magic | SSC PYQ #Shorts

SSC aur Railway exams ka sabse zyada pucha jane wala General Science & Chemistry PYQ! 🧊💨

Kya aapko pata hai “Dry Ice” kise kehte hain aur yeh normal baraf se kaise alag hai?
👉 Answer: Solid Carbon Dioxide (Solid CO₂) & Sublimation!

🔬 Scientific Concept:
Normal baraf (ice) pighal kar pehle paani (liquid) banti hai. Lekin Dry Ice (-78.5°C) itni thandi hoti hai ki room temperature par aate hi yeh bina liquid bane seedhe gas (CO₂) me badal jati hai!
Solid ka seedhe Gas me badalna **”Sublimation” (ऊर्ध्वपातन)** kehlata hai. Isliye iska bacha hua koi paani nahi hota, aur iska istemal stage shows me fog/smoke effects banane ke liye hota hai!

🎯 Target Exams: SSC CGL, CHSL, MTS, CPO, Railway NTPC, Group D, ALP, & State PSCs.

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