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The alkali metals have low melting point...

The alkali metals have low melting point. 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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The correct Answer is:
D
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SURA PUBLICATION- ALKALI AND ALKALINE EARTH METALS-ADDITIONAL QUESTION ( ADDITIONAL CHOOSE THE CORRECT ANSWER)
  1. The most electro positive element of the periodic table is

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  2. Consider the following statements 1. Alkali metals are soft. 2. ...

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  3. The alkali metals have low melting point. Which of the following alkal...

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  4. The reducing power of a metal depends on various factors. Suggest the ...

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  5. The order of decreasing ionisation enthalpy in alkali metals is

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  6. Which of the following is used in photoelectric cells ?

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  7. Metallic elements are described by their standard electrode potential,...

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  8. Which of the following are the correct reasons for anomalous behaviour...

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  9. ions are found in large proportions in biological fluids.

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  10. Which of the following ions are more responsible for transmission of n...

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  11. Spodumene is the silicate mineral of

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  12. Which of the following metals is most commonly used in photochemical c...

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  13. Which among the folJowing is the strongest reducing agent?

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  14. Why Cs and K are used as electrodes in photoelectric cells ?

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  15. Which among the following alkali metals exhibit the most metallic char...

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  16. The correct increasing order of density of alkali metals is

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  17. Alkaline earth metals belong to group of the periodic table.

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  18. The metallic lusture exhibited by sodium is due to,

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  19. NaCl gives a golden yellow colour to the Bunsen flame which is due to.

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  20. Assertion : Lithium is in diagonal relationship with magnesium Reaso...

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