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CBSE Notes 2011-2012 » XI-Chemistry

The s-Block Elements

Why do alkali metals not occur in free state ?

Short answer question

Why do alkali metals not occur in free state ?

Why do alkali metals have low density ?

Short answer question

Why do alkali metals have low density ?

Why are alkali metals soft ?

Short answer question

Why are alkali metals soft ?

Potassium carbonate cannot be prepared by Solvay process. Why ?

Short answer question

Potassium carbonate cannot be prepared by Solvay process. Why ?

Why group 2 elements (Mg and Ca) are harder and denser than group 1 elements ?

Short answer question

Why group 2 elements (Mg and Ca) are harder and denser than group 1 elements ?

Why is potassium more reactive than sodium ?

Short answer question

Why is potassium more reactive than sodium ?

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