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The elements of group 1 are called alkal...

The elements of group 1 are called alkali metals because

A

They have one electron in their outermost orbital

B

they have low melting point

C

the solutions of their salts basic

D

their oxides and hydroxides combine with water to form alkali

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The correct Answer is:
D
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TARGET PUBLICATION-S-BLOCK ELEMENTS-QUESTION
  1. The long form of the periodle table is divided into blocks

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  2. Group 1 and group 2 elements are placed at the of the long for...

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  3. The elements of group 1 are called alkali metals because

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  4. Which of the following is NOT an alkali metal ?

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  5. Which of the following is the resest alkaline earth metal ?

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  6. Amongst alkali metal cations , has the smallest size .

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  7. Which of the following is reponsible for the solubility of lithi...

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  8. Which of the following alkali metal nitrate on decomposition ...

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  9. Which of the following compounds is NOT obtained in the solid f...

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  10. The similarities between an element of a group and the element ...

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  11. The metal showing resemblance with lithium is

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  12. Atmic radius of Li is

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  13. Identifly the CORRECT order of decreasing ionization enthalpies ...

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  14. The first ionization enthlpies of alkali metals decreases down ...

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  15. Sodium reacts with oxygen to form

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  16. Alkali metals react oxygen to form

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  17. Solvay process is also known as

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  18. In the solvay process ,NH(4)Cl is treated with malk of lime to...

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  19. Which of the following is used in qualiitive as well as quantit...

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  20. The gases liberated at anode in the electrolysis of sodium acetate are

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