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Potassium gives a -------- colour to the...

Potassium gives a -------- colour to the Bunsen flame.

A

violet

B

blue

C

apple green

D

brick red

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A
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CENGAGE CHEMISTRY-S-BLOCK GROUP 1 - ALKALI METALS-Exercises Single Correct
  1. Which of the following is the strongest reducing agent in aqueous medi...

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  2. The product of electrolysis of an aqueous solution of K(2)SO(4) using ...

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  3. Potassium gives a -------- colour to the Bunsen flame.

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  4. Which of the following is strongly hydrated in aqueous solution ?

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  5. When an aqueous of potassium ethanote is electrolysed ?

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  6. Which of the following alkali metal does not form alum ?

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  7. Sodium reacts with water more vigorously than lithium because

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  8. When Na(2)CO(3) is added to an aqueous solution of CuSO(4)

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  9. K(2)CS(3) is called potassium -----------.

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  10. Peal ash' is

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  11. How many Na^(o+) ions sorround each CI^(Θ) ion in NaCI crystal lattice...

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  12. Magnesium uranyl least is used for

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  13. Lithium water used for the treatment of gout is

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  14. Lowing method is used for the preparation of

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  15. A solution of sodium metal in liquid ammonia is strongly reducing due ...

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  16. KO(2) is used in oxygen cylinders in space and submarines because it

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  17. The stability of the following alkali metal chlorides follows the orde...

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  18. The peramagnetic species is

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  19. On dissolving moderate amount of sodium metal in liquid ammonia at low...

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  20. The correct order of stability of hydrides of alkali metals is

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