ICSEClass XChemistryAcids, Bases and Salts05 Mark2023 Moderate

QQuestion

State the terms/process for the following: [5]

  1. The energy released when an atom in the gaseous state accepts an electron to form an anion.
  2. Tendency of an element to form chains of identical atoms.
  3. The name of the process by which Ammonia is manufactured on a large scale.
  4. A type of salt formed by partial replacement of hydroxyl radicals with an acid radical.
  5. The ratio of the mass of a certain volume of gas to the same volume of hydrogen measured under the same conditions of temperature and pressure.

Exam-ready answer 05 Mark

Answer

  1. Electron affinity
  2. Catenation
  3. Haber’s process
  4. Basic salt
  5. Vapour density
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