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Potassium can be prepared by...

Potassium can be prepared by

A

Heating `K_(2)CO_(3)` with coke

B

Electrolysis of fused KOH

C

Heating KF with `CaC_(2)`

D

All the above

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The correct Answer is:
D
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CENGAGE CHEMISTRY-S-BLOCK GROUP 1 - ALKALI METALS-Exercises Single Correct
  1. Sodium can be extracted on a commercial scale by the electrolysis of u...

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  2. Potassium is --------, ----------- and --------- than sodium.

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  3. Potassium can be prepared by

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  4. NaOH is manufacture by the electrolysis of brine in a speciallt design...

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  5. Saltpete is

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  6. Which is an ore potssium?

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  7. Chile salpeter is

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  8. Glauber's salt is

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  9. Which of the alkali metals have the highest density ?

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  10. Causticisation process is used for the preparation of

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  11. A sodium fire in the laboratory is extinguished by

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  12. The densities of Li, Na and K followed the order

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  13. The correct order of mobility of alkali metal ions in aqueous solution...

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  14. Which of the following elements combines directly with nitrogen to for...

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  15. When is a cation highly polarising? Which alkali metal cation has the ...

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  16. Which of the following carbonates does not evolve CO(2) on heating ?

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  17. The metallic lustre of sodium is explanined by the presence of

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  18. Which of the following is not a characteristic of alkali metals ?

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  19. A neutral white sodium salt (A) on heating liberates a gas (B), leavin...

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  20. The pairs of compounds which cannot exist together in aqueous solution...

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