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    Chemistry
    Grade-10
    Easy

    Question

    2NaBr + 1Ca(OH)2→ 1CaBr2 + 2NaOH

    1. Synthesis (or combination)
    2. Decomposition
    3. Single displacement
    4. Double displacement

    hintHint:

    Double displacement reaction can be termed as when two displacements take place in a reaction.

    The correct answer is: Double displacement

      The word displace means to push out. A more reactive element can displace a less reactive element out of its compound during a chemical reaction, this reaction is termed as displacement reaction.
      Double displacement reaction can be termed as when two displacements take place in a reaction.
      A double displacement reaction is a chemical reaction which occurs when parts of two ionic compounds are exchanged, making two new compounds.
      2NaBr + 1Ca(OH)2 → 1CaBr2 + 2NaOH
      Here bromide and hydroxide both are exchanged. It is a double displacement reaction.

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