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How do alkaline earth metals occur in na...

How do alkaline earth metals occur in nature ?

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Alkaline earth metals occur in nature in combined state (as oxides in earth crust) as they are reactive metals.
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Knowledge Check

  • The correct order of solubility of the sulphates of alkaline earth metals in water is

    A
    `Be gt Ca gt Mg gt Ba gt Sr`
    B
    `Mg gt Be gt Ba gt Ca gt Sr`
    C
    `Be gt Mg gt Ca gt Sr gt Ba`
    D
    `Mg gt Ca gt Ba gt Be gt Sr`

  • Assertion: Alkaline earth metal oxides are quite stable to heat. Reason: Enthalpies of formation of alkaline earth metal oxides are quite high.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

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    The correct order of the solubility of alkaline- earth metal sulphates in water is :

    How do non-metals occur in nature ? How are they extracted//isolated from their natural sources ?

    Which of the following alkaline earth metals do not impart any color to the flame?

    Least soluble carbonate among alkaline earth metals will be?

    Which of the following statements regarding the oxides of alkali and alkaline earth metals is correct?

    Write the names of alkaline earth metals in increasing order of atomic number.

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