Chemistry
Grade-10
Easy

Question

The products formed when zinc reacted with NaOH.

  1. Zn left parenthesis OH right parenthesis subscript 2 space & space Na
  2. Na subscript 2 ZnO subscript 2 space & space straight H subscript 2 straight O
  3. Na subscript 2 ZnO subscript 2 space & space text H  end text subscript 2 upwards arrow
  4. NaZnO subscript 2 space & space straight H subscript 2 straight O

hintHint:

Salt and hydrogen gas.

The correct answer is: Na subscript 2 ZnO subscript 2 space & space text H  end text subscript 2 upwards arrow


    Metals react with base to form salt and hydrogen gas.
    Metal + Base rightwards arrow Salt + Hydrogen gas
    Zn + NaOH rightwards arrow Na2ZnO2 + H2(g)

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