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    Chemistry
    Grade-10
    Easy

    Question

    3Pb + 2H3PO4 →3H2 + 1Pb3(PO4)2

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

    hintHint:

    Only one displacement takes place.

    The correct answer is: Single 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.
      Single displacement reaction can be termed as when only one displacement take place in a reaction.
      A single displacement reaction is a chemical reaction which occurs when one part of a compounds is exchanged with another element forming a new compound.
      3Pb + 2H3PO4 →3H2 + 1Pb3(PO4)2

      Here phosphate is exchanged to lead.

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