Potassium Sulphite is indeed an inorganic, non-flammable, white, and soluble substance. It consists of potassium cations (K+) and sulfite anions (SO3^2- ) and is used for various purposes, including as a food preservative in the food industry. Potassium Sulphite is a source of sulfurous acid (H2SO3) when dissolved in water, and its preservative properties arise from its ability to inhibit the...