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RRB NTPC 2022 · Question 22 of 110

In which type of chemical reaction do crystals of ferrous sulphate lose water on heating and the colour of the crystals changes from light green to white?

  1. ADecomposition reactionCorrect
  2. BCombination reaction
  3. CDisplacement reaction
  4. DDouble displacement reaction

Answer: A. Decomposition reaction

Explanation

On heating, ferrous sulphate crystals lose water and anhydrous ferrous sulphate (FeSO4) is formed. The reaction is called Decomposition reaction.

Source: RRB NTPC 2022 CBT 2 Previous Year Paper (12-June-2022) — ixambee compilation with answer key · reliable-secondary

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