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Chemistry Test ...

TIME LEFT -
  • Question 1
    4 / -1

    KO2 is used in spaceship & submarines because it :-

  • Question 2
    4 / -1

    Which of the following compound has O2–2 (peroxide) anion?

  • Question 3
    4 / -1

    Common product of hydrolysis on MO2 and M2O2 type oxides :

  • Question 4
    4 / -1

    Colour of Li on bunsen flame ?

  • Question 5
    4 / -1

    Which of the following metallurgical process is used to concentrate sulphide ores mainly ?

  • Question 6
    4 / -1

    Mg is obtained by

  • Question 7
    4 / -1

    Sodium hydroxide is produced on a large scale :-

  • Question 8
    4 / -1

    CO2 gas along with solid (Y) is obtained when sodium salt (X) is heated. (X) is again obtained when CO2 gas is passed into aqueous solution of (Y). X and Y are respectively :-

  • Question 9
    4 / -1

    Blue vitriol is :-

  • Question 10
    4 / -1

    Which of the following pair of ions has same value of "spin-only" magnetic moment

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