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Chemical Reacti...

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  • Question 1
    1 / -0

    Which of the following radicals is a polyatomic radical?

  • Question 2
    1 / -0

    Why is it necessary to balance a chemical equation?

  • Question 3
    1 / -0

    What does the delta sign used over an arrow in a chemical equation signify?

  • Question 4
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    Which of the following is changed while balancing an equation?

  • Question 5
    1 / -0

    2Fe +_ Cl2 → 2FeCl3
    Which of the following stoichiometric coefficients will precede chlorine to balance the above equation?

  • Question 6
    1 / -0

    Complete the following reaction:
    Zn + 2HCl → _______ + H2

  • Question 7
    1 / -0

    36 g of water contains _______ of oxygen.

  • Question 8
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    When ferrous sulphate is heated, an oxide of iron is obtained. What type of reaction is it?

  • Question 9
    1 / -0

    When ferrous sulphate is heated, an oxide of iron is obtained. What is the name of the oxide of iron obtained?

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