Explanation

• Aldehydes give a silver mirror test with Tollens' reagent.
• Tollens' reagent contains the diamminesilver(I) ion, [Ag(NH₃)₂]⁺.
• The aldehyde is oxidized to a carboxylic acid/carboxylate, while Ag⁺ is reduced to metallic silver.
• The deposited silver forms a shiny silver mirror on the test tube.

Last verified on 05-09-2026

Explanation

• Ammonia chemical formula is NH₃.
• It is a chemical compound made of nitrogen and hydrogen.
• It is a colorless gas with a strong, pungent smell.
• It is widely used in fertilizer production and various industrial processes.

Last verified on 03-09-2026

Explanation

• Quicklime chemical formula is CaO.
• It is chemically known as calcium oxide.
• It is produced by heating limestone (CaCO₃) strongly.
• Quicklime reacts with water to form slaked lime, Ca(OH)₂.

Last verified on 03-09-2026

Explanation

Explanation

• Bleaching powder: CaOCl₂
• Chemical name: Calcium oxychloride.
• Main uses: Bleaching and disinfection.
• CaCl₂: Calcium chloride.
• Ca(OH)₂: Calcium hydroxide (slaked lime).

Last verified on 03-09-2026