Class 10 Science Chemical Reactions Quiz
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Questions and Answers

What is the balanced chemical equation for the reaction between hydrogen and oxygen to form water?

  • 4H₂ + 2O₂ → 4H₂O
  • 2H₂ + O₂ → 2H₂O (correct)
  • H₂ + 1/2O₂ → H₂O
  • H₂O₂ → H₂O + 1/2O₂
  • What is the product of the chemical reaction between sodium and chlorine gas?

  • Na₂Cl₂
  • NaCl (correct)
  • Na₂Cl
  • NaCl₂
  • In a chemical equation, what does the arrow (→) represent?

  • Transforms
  • Yields (correct)
  • Produces
  • Consumes
  • Study Notes

    Chemical Reactions

    • The balanced chemical equation for the reaction between hydrogen and oxygen to form water is 2H₂ + O₂ → 2H₂O.
    • The product of the chemical reaction between sodium and chlorine gas is sodium chloride, also known as common table salt.
    • In a chemical equation, the arrow (→) represents the direction of the reaction, indicating the reactants on the left and the products on the right.

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    Description

    Test your knowledge of chemical reactions and equations with this quiz for class 10 science. Answer questions about balanced chemical equations, products of reactions, and the representation of reactions in chemical equations.

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