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Elements Test -...

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  • Question 1
    1 / -0

    Which of the following elements is used for the hydrogenation of vegetable oils?

  • Question 2
    1 / -0

    Which of the following is not a use of chlorine gas?

  • Question 3
    1 / -0

    Which of the following can be prepared by electrolysis of acidulated water?

  • Question 4
    1 / -0

    Which of the following is called an element?

  • Question 5
    1 / -0

    Which of the following gases is used in refrigerators?

  • Question 6
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    Which of the following elements exists as a diatomic molecule?

  • Question 7
    1 / -0

    In which period of modern periodic table is nitrogen present?

  • Question 8
    1 / -0

    Which of the following elements is the major constituent of proteins and ammonia?

  • Question 9
    1 / -0

    Which gas is used in canning food stuff to prevent oxidation?

  • Question 10
    1 / -0

    Which of the following elements is not used in the preparation of nitric acid?

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