Chemistry class 10

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Across
  1. 3. A reaction involving both oxidation and reduction simultaneously means one reactant gets oxidised, the other gets reduced.
  2. 4. a chemical reaction in which a more reactive element displaces a less reactive element from its compound.
  3. 6. a chemical reaction in which energy is released in the form of light or heat.
  4. 7. a chemical equation in which there are equal numbers of atoms of each element on both sides of the equation
  5. 8. Any substance that increases the rate of a reaction without itself being consumed.
Down
  1. 1. a substance that is formed as the result of a chemical reaction
  2. 2. A reaction in which oxygen atom is added or hydrogen atom is lost.
  3. 5. a reaction in which two reactants combine to form one product.