Bases its Properties and Uses Class 10 BASES: Substances that change red litmus solution blue are called bases. They are bitter in taste. They release hydroxide ions (OH–) when dissolved in water.…

Acids Its Important Properties and Uses ACIDS: Acid is a substance which furnishes H+ ions or H3O+ ions when dissolved in water. Acids have one or more replaceable hydrogen atoms. The word acid is…

  Noble Gases (Group 18) Elements Group 18 Elements Group 18 consists of six elements- helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn). All these are…

Preparation and Properties of Potassium Permanganate and Potassium Dichromate Preparation and Properties of Potassium Permanganate and Potassium Dichromate: General Properties of First Row Transition Metal Compounds Oxides and oxometal ions:…