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ICSE-THE s - BLOCK ELEMENTS-NCERT TEXT-BOOK. EXERCISES (WITH HINTS AND SOLUTIONS)
- What are the common physical and chemical features of alkali metals?
03:33
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- Discuss the general characteristics and gradation in properties of alk...
03:00
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- Why are alkali metals not found in nature ?
02:32
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- Find out the oxidation state of sodium in Na(2)O(2)
02:21
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- Explain, why is sodium less reactive than potassium ?
04:14
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- Compare the alkali metals and alkaline earth metals with respect to ...
04:32
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- Compare the alkali metals and alkaline earth metals with respect to ...
04:32
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- Compare the alkali metals and alkaline earth metals with respect to so...
03:30
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- In what ways lithium shows similarities to magnesium in its chemical b...
02:22
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- Explain why can alkali and alkaline earth metals not be obtained by ch...
01:13
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- Why are potassium and caesium rather than lithium used in photoelectri...
01:42
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- When an alkali metal dissolves in liquid ammonia the solution can acqu...
03:30
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- Beryllium and magnesium to not give colour to flame whereas other alka...
02:35
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- Discuss the various reactions that occur in the Solvay process
03:45
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- Potassium carbonate cannot be prepared by Solvay process. Why ?
02:19
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- Why is Li(2)CO(3) decomposed at a lower temperature whereas Na(2)CO(3)...
03:52
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- Compare the solubility and thermal stability of the following compound...
04:48
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- Starting with sodium chloride how would you proceed to prepare (i) sod...
04:03
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- Starting with sodium chloride how would you proceed to prepare (i) sod...
04:03
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- Starting with sodium chloride how would you proceed to prepare (i) sod...
04:03
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