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s-Block Elements Test - 2

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s-Block Elements Test - 2
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  • Question 1
    1 / -0

    Which of the following alkaline earth metal hydroxides is amphoteric in nature?

  • Question 2
    1 / -0

    The following question has four choices out of which ONLY ONE is correct.

    Flame test is not given by 

  • Question 3
    1 / -0

    Thermally, the most stable alkaline earth metal carbonate is

  • Question 4
    1 / -0

    Soda ash is

  • Question 5
    1 / -0

    Compounds of alkaline earth metals are less soluble in water than the corresponding alkali metal salts because of their

  • Question 6
    1 / -0

    Potassium superoxide finds usage in breathing equipment and safeguards the user to breathe in oxygen generated internally in the apparatus, without being exposed to toxic fumes outside. The supply of oxygen is due to

    (i) slow decomposition of KO2
    (ii) reaction of superoxide with moisture in the exhaled air
    (iii) reaction of KO2 with CO2 in the exhaled air

  • Question 7
    1 / -0

    Which of the following statements is true regarding isolation of Na and K metals?

  • Question 8
    1 / -0

    Alkaline earth metals are not found free in nature because of

  • Question 9
    1 / -0

    The decreasing order of thermal stability of alkaline earth metal carbonates, MgCO3, CaCO3, BaCO3 and SrCO3, is

  • Question 10
    1 / -0

    Which of the following compounds is used as an antacid to neutralise excess acid in the stomach?

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