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DINESH PUBLICATION-S-BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS )-Assertion reason
- Explain the significance of sodium, potassium, magnesium and calcium o...
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- Assertion (A): Lithium chloride is predominantly covalent compound. ...
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- Give reasons for the following: a. Alkali metals are soft and volati...
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- Assertion (A): Alkali metals can form ionic hydrides which contain hyd...
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- Assertion (A): K(2)CO(3) cannot be prepared by Solvaly process. Rea...
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- Assertion (A): Sodium ions are discharged in preference to hydrogen io...
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- Assertion : Li^(+) ions has the lowest mobility in aqueous solution ...
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- Statement I: Alkali metals dissolve in liquid ammonia to give blue sol...
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- Statement 1 : Both Be and Mg don’t impart any characteristic colours...
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- Statement 1 : Sodium metal dissolves in liquid ammonia to form a blue ...
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- Be forms [BeF(4)]^(2-), but Al forms [AiF(6)]^(3-). Reason (R ): Be...
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- Assertion (A): In rainy season, common salt becomes damp after sometim...
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- BeSO(4) is soluble in water but BaSO(4) is insoluble. Reason (R ): ...
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