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P - Block Eleme...

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  • Question 1
    4 / -1

    Which of the following is the best scientific method to test presence of water in a liquid

  • Question 2
    4 / -1

    Which of the following sulphate is insoluble in water

  • Question 3
    4 / -1

    When sulphur is boiled with Na2SO3 solution, the compound formed is

  • Question 4
    4 / -1

    Number of unpaired electrons in sulphur is

  • Question 5
    4 / -1

    H2S reacts with O2 in restricted supply of O2 to form

  • Question 6
    4 / -1

    Which of the following mixture is chromic acid

  • Question 7
    4 / -1

  • Question 8
    4 / -1

    Which of the element of the oxygen family is most poisonous to human race

  • Question 9
    4 / -1

    Super phosphate is the mixture of

  • Question 10
    4 / -1

    Which of the following dissociates to give H + easily

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