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.Which of the alkali metal is having lea...

.Which of the alkali metal is having least melting point?

A

Na

B

K

C

Rb

D

Cs

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To determine which alkali metal has the least melting point, we can follow these steps: ### Step 1: Understand the Concept of Melting Point The melting point is the temperature at which a solid begins to turn into a liquid. In the context of alkali metals, we need to compare the melting points of different elements in this group. ### Step 2: Identify the Alkali Metals The alkali metals are located in Group 1 of the periodic table. The main alkali metals include: - Lithium (Li) ...
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NCERT ENGLISH-THE S-BLOCK ELEMENTS-EXERCISE
  1. Why potassium carbonate (K(2)CO(3)) cannot be prepared by Solvay-ammon...

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  2. Why is Li(2)CO(3) decomposed at a lower temperature whereas Na(2)CO(3)...

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  3. Compare the solubility and thermal stability of the following compound...

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  4. Starting with sodium chloride how would you proceed to prepare: (a) s...

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  5. What happens when (a) magensium in burnt in air, (b) quicklime is heat...

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  6. Describe two important uses of each of the following: (a) casutic so...

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  7. Draw the structure of (a) BeCl(2)(vapour) and (b) BeCl(2) (solid).

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  8. The hydroxides and carbonates of sodium and potassium are easily solub...

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  9. Describe the importance of the following: (a) limestone, (b) cement an...

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  10. Why are lithium salts commonly hydrated and those of the other alkali ...

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  11. Why is LiF almost insoluble in water whereas LiCl soluble not only in ...

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  12. Explain the significance of sodium, potassium, magnesium and calcium o...

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  13. What happens when a. Sodium metal is dropped in water? b. Sodium m...

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  14. Comment on each of the following observation: a. The mobilities of t...

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  15. State as to why (a) a solution of Na(2)CO(3) is alkaline ? (b) alk...

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  16. Write balanced equations for reactions between a. Na(2)O(2) and wate...

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  17. How would you explain the following observations ? (i) BeO is almost...

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  18. .Which of the alkali metal is having least melting point?

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  19. Which one of the following alkali metals gives hydrated salts?

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  20. Which one of the alkaline earth metal carbonates is thermally the most...

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