Types of Chemical Reactions
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Questions and Answers

What type of reaction is also known as a synthesis reaction?

  • Decomposition reaction
  • Displacement reaction
  • Double displacement reaction
  • Combination reaction (correct)
  • What is the product of the reaction between iron and sulphur?

  • Fe2S3
  • Fe
  • FeS (correct)
  • S
  • When carbon burns in oxygen, what gaseous compound is formed?

  • O2
  • C
  • CO
  • CO2 (correct)
  • In which type of reaction can an element and a compound combine to give one product?

    <p>Combination reaction</p> Signup and view all the answers

    What is the product of the combination of ammonia and hydrogen chloride?

    <p>NH4Cl</p> Signup and view all the answers

    Which type of reaction involves two or more compounds combining to form a single product?

    <p>Combination reaction</p> Signup and view all the answers

    What gas is evolved when lead nitrate is heated in a test tube?

    <p>Nitrogen dioxide gas</p> Signup and view all the answers

    What is the pale yellow solid left behind when lead nitrate is heated?

    <p>Lead monoxide</p> Signup and view all the answers

    In the displacement reaction shown in the figure, what element is displaced by zinc from the copper sulphate solution?

    <p>Copper</p> Signup and view all the answers

    What gas is evolved that turns moist blue litmus paper into red when lead nitrate is heated?

    <p>Nitrogen dioxide gas</p> Signup and view all the answers

    What compound does potassium nitrate decompose into on strong heating?

    <p>Calcium oxide and carbon dioxide</p> Signup and view all the answers

    What does ammonia solution move faster than in the given example?

    <p>Hydrogen chloride</p> Signup and view all the answers

    What is the color of the copper sulphate solution after zinc displaces copper from it?

    <p>[green]</p> Signup and view all the answers

    What does iron displace from the blue copper sulphate solution in the reaction shown in the figure?

    <p>[copper]</p> Signup and view all the answers

    In displacement reactions, what type of element displaces another element from a compound?

    <p>[active]</p> Signup and view all the answers

    What turns colorless due to the formation of zinc sulphate and a reddish brown copper deposited on zinc in the given example?

    <p>[copper sulphate solution]</p> Signup and view all the answers

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