Chief ore of Al is:
Correct answer: B. Al2O3 . 2H2O
- A. Na3AlF6
- B. Al2O3 . 2H2O
- C. Al2O3
- D. Al2O3 . H2O
Explanation
Bauxite (Al2O3. 2H2O) is the chief ore of aluminium from which aluminium is extracted by bayers process.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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