✍RRB NTPC Reasoning PDF 2025 – गलती से भी ये सवाल मिस मत करना।🎯 Take The Quiz What Is The Chemical Symbol For Water? पानी का रासायनिक प्रतीक क्या है? 0% Note: Water is composed of two hydrogen atoms and one oxygen atom, represented as H2O. CO2 H2O NaCl O2 Back to Top Next Question Pages 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36