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(A) : Sodium metals is stored in kerosen...

(A) : Sodium metals is stored in kerosene
(R): The density of sodium is less than water  

A

Both A and R are correct and 'R' is the correct explanation of A

B

Both A and R are correct and 'R' is not the correct explanation of A

C

A is correct but R is false

D

A is false but R is correct

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ALKALI METALS-OBJECTIVE EXERCISE - 1
  1. In certain respects, lithium differs from other alkali metals. The mai...

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  2. Which of following reacts most voilently with water

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  3. (A) : Sodium metals is stored in kerosene (R): The density of sodium...

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  4. (A) : Alkali metals are good reducing agents (R) : Alkali metals pos...

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  5. The first three elements of group 1 have the following atomic structur...

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  6. Mark the false statement

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  7. Identify the correct statement

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  8. Pick up the correct statement about the solution on an alkali metal in...

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  9. Potassium metal is - and then sodium?

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  10. Statement-I: Lithium hydride is the stablest of all the alkali metal h...

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  11. Wrong match is

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

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  13. A colourless salt gives violet colour to Bunsen flame and also turns m...

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  14. In which of the following the metal is getting oxidised ?

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  15. (A): Lithium reacts with water more vigorously than sodium (R): Lith...

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  16. Peroxides of alkali metals are

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  17. Which of the following is paramagnetic ?

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  18. The metal that gives mainly a monoxide when heated in excess of O(2) i...

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  19. The oxidation statel of oxygen in superoxide is

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  20. Potassium metal is heated strongly in O(2). It produces

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