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Science

Reactivity series

In this Class 10 Science topic from the chapter Metals and Non-metals, students learn how metals are arranged in the reactivity series according to their tendency to lose electrons and form compounds. They compare the reactions of metals with water, acids and oxygen, and use the series to predict displacement reactions, such as when a more reactive metal displaces a less reactive metal from its salt solution. The topic also connects reactivity with metal extraction and everyday observations.

Hard · Level 1 · 2 questions

TOPIC PRACTICE

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  1. Metal A is more reactive than metal B.
  2. Metal B is more reactive than metal A.
  3. Both metals have equal reactivity.
  4. No displacement reaction can occur between metals A and B.
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  1. Iron is more reactive than copper; therefore, iron displaces copper from copper sulphate.
  2. Copper is more reactive than iron; therefore, copper displaces iron.
  3. This is a decomposition reaction because copper sulphate breaks into two substances.
  4. No reaction occurs because both metals are in the solid state.

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