Self Studies

Physical And Ch...

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  • Question 1
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    Analyse the two statements given below and select the correct option.

    Statement I: Both physical and chemical changes may be accompanied by a change in state.
    Statement II: Boiling of water is a chemical change because a gaseous product is formed.

  • Question 2
    1 / -0

    While balancing an equation, which of the following is changed?

  • Question 3
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    Identify the type of the given reaction:

    C2H6 + 5O2 → 3H2O + 2CO2

  • Question 4
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    What will be the respective coefficients in the given chemical equation?

    ?Mg + ?HCl → 1MgCl2 + ?H2

  • Question 5
    1 / -0

    Which of the following reactions is a double displacement reaction?

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