Chemical Reactions and Solutions Quiz
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Questions and Answers

Which compound represents the solid state in the reaction mentioned?

  • Barium sulphate (correct)
  • Barium chloride
  • Sodium sulphate
  • Sodium chloride

    • What is the color of the solution observed after 30 minutes of placing zinc metal to copper sulphate solution?

  • Reddish Brown
  • Dirty green
  • Blue (correct)
  • Colourless

    • Which of the following is a mild non-corrosive basic salt?

  • Ca (OH)2 (correct)
  • NaOH
  • NaCl
  • NaHCO3

    • When dilute sulphuric acid is added to a test tube containing a metal 'X', a colorless gas is produced. What metal does 'X' represent?

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

    Which of the following correctly represents Sodium oxide?

    <p>Na2O</p> Signup and view all the answers

    Identify the product which represents the solid state in the above reaction.

    <p>b) Barium sulphate</p> Signup and view all the answers

    What is the color of the solution observed after 30 minutes of placing zinc metal to copper sulphate solution?

    <p>a) Blue</p> Signup and view all the answers

    Which metal 'X' represents a colorless gas when dilute sulphuric acid is added to it and a burning match stick is brought near it?

    <p>a) Sodium</p> Signup and view all the answers

    Which element with atomic number will form a basic oxide?

    <p>d) 11 (2,8,1)</p> Signup and view all the answers

    An element 'M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. What is the atomic number of 'M'?

    <p>b) 12</p> Signup and view all the answers

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