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POTASSIUM PERMANGANATE, KMnO4 is a purplish coloured crystalline solid. Non combustible but accelerates the burning of combustible material. It is used as a reagent for the synthesis of organic compounds. Potassium permanganate is used extensively in the water treatment industry. It is used to treat drinking water for iron, manganese and sulfur odours. It can be used as a disinfectant as well, keeping drinking water free of harmful bacteria. It is a strong oxidizing agent. Side effects of potassium permanganate are irritation of the skin and discoloration of clothing.

Silica Gel is a granular, vitreous, porous form of silicon dioxide made synthetically from sodium silicate. Silica gel contains a nano-porous silica micro-structure, suspended inside a liquid. Silica gel's high specific surface area allows it to adsorb water readily, making it useful as a desiccant. In chemistry, silica gel is used in chromatography as a stationary phase. Silica gel is used as a desiccant to control local humidity to avoid spoilage or degradation of some goods.

Calcium Chloride is an inorganic compound, a salt with the chemical formula CaCl2. It is a colorless crystalline solid at room temperature, highly soluble in water. Calcium chloride is used to prevent ice formation and is used to de-ice. It is also used in domestic and industrial chemical air dehumidifiers. Calcium chloride used in refrigeration and food preservative, cement paint manufacturing, oil well drilling, agricultural industry, construction industry, dust suppressant. Calcium chloride is used to increase the water hardness in swimming pools.