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Which of the following pair of alkali me...

Which of the following pair of alkali metals is more denser than water?

A

Li and K

B

K and Rb

C

Rb and Cs

D

Li and Rb

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Knowledge Check

  • Which of the following pairs consists of ore of the same metal?

    A
    Magnesite, cerussite
    B
    Chalcocite, copper pyrites
    C
    Bauxite, corundum
    D
    Anglesite, cerussite
  • The alkali metals are low melting. Which of the following alkali metal is expected to melt if the room temperature rises to 30^@ C ?

    A
    Na
    B
    K
    C
    Rb
    D
    Cs
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