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Question
The element of group 2, which forms an amphoteric oxide and a water soluble sulphate is ______.
Options
calcium
magnesium
beryllium
strontium
MCQ
Fill in the Blanks
Solution
The element of group 2, which forms an amphoteric oxide and a water soluble sulphate is beryllium.
Explanation:
Beryllium oxides have formula BeO. It reacts with both acids and bases.
\[\ce{Al2O3 + 2NaOH -> 2NaAlO2 + H2O}\]
\[\ce{Al2O3 + 6HCl -> 2AlCl3 + 3H2O}\]
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Alkali Metals and Alkaline Earth Metals
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