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Alkali metals are...

Alkali metals are

A

Li,Na,Be,Mg,Cs

B

Li,Na,K,Rb,Cs

C

Na,K,Mg,Ca,Rb

D

K,Rb,Cs,Ba,Sr

Text Solution

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The correct Answer is:
B
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Alkali metals)
  1. The reactivity of the alkali metal sodium with water, is made use of

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  2. With the increase in atomic weights,melting points of the alkali metal...

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  3. Alkali metals are

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  4. Certain characteristics lithium differ from those of other alkali meta...

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  5. Characterstic feature of alkali metals is

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  6. The correct formula of hypo is

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  7. Which of the following gases turns the acdified potassium dischromate ...

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  8. Which of the following does not illustrate the anomalous properties of...

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  9. Which of the following has density greater than water?

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  10. The valence shell electronic configuration of alkali metals is

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  11. The strongest reducing agent is

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  12. One of the following salts will give an alkaline solution on dissolvin...

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  13. The most electropositive element in alkali metals is .

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  14. Composition of borax (Tincal) is

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  15. Which of the following is formed when CO(2) gas is passed through an a...

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  16. Sodium hydride (NaH) when dissolved in water, produces

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  17. Which one of the following salts gives aqueous solution which is weakl...

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  18. Sn is dissolved in excess of NaOH solution, the compound obtained is

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  19. The word 'alkali' is used for alkali metals indicates

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  20. Potassium nitrate is called

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