Universal pH indicator solution 1-14

Aluminum Potassium Sulphate, commonly known as potassium alum or potash alum, is a chemical compound with the formula KAl(SO₄)₂·12H₂O. It is a type of alum, a double sulfate salt, and is typically found in its dodecahydrate form. Here are some key points about this compound:

Physical Properties:

• Appearance: Colorless, transparent crystals or white powder.
• Solubility: Soluble in water but insoluble in alcohol.
• Melting Point: Decomposes at high temperatures before melting.

Chemical Properties:

• Molecular Formula: KAl(SO₄)₂·12H₂O
• Molecular Weight: 474.39 g/mol (for the dodecahydrate form)
• Acidity: It is slightly acidic in aqueous solution.

An ammonia solution is a solution of ammonia (NH3) gas dissolved in water. It is a clear, colorless liquid with a pungent odor and a basic pH. The concentration of ammonia in the solution can vary, and is typically expressed in terms of percent by weight or by volume. Ammonia solutions are commonly used in a variety of applications, including cleaning agents, fertilizers, and as a precursor to other chemicals. They are also used in industrial processes such as refrigeration, gas purification, and water treatment. Ammonia solutions can be dangerous if not handled properly, as they are highly corrosive and can release toxic fumes if mixed with certain chemicals

Ammonium dichromate is used as a source of pure nitrogen in the laboratory set up. It is also used to

Potassium iodide (KI) is a chemical compound composed of potassium and iodine.