Poison refers to any substance, chemical, or organism that, when introduced into or absorbed by a living organism, can cause harm, injury, illness, or death. Poisons disrupt normal physiological functions and can have toxic effects on cells, tissues, and organ systems. They can be ingested, inhaled, absorbed through the skin, …
DeepakRajput 
Preparation and Standardization of Sodium Thiosulfate (Na2S2O3) Molar and Normal Solutions
Sodium thiosulfate (Na2S2O3) is a chemical compound used in various chemical analyses, including iodometric and titrimetric methods. Here’s how to prepare and standardize both molar (1.0 M) and normal (1.0 N) sodium thiosulfate solutions. Preparation of 1.0 M Sodium Thiosulfate Solution: A 1.0 M sodium thiosulfate solution contains one mole …
