Tincal is a mineral of:
Correct answer: B. B
- A. Al
- B. B
- C. Si
- D. C
Explanation
Borax is the sodium salt of tetraboric acid. It is the most important of all borates .Borax occurs as a natural deposit called tincal in the dried up lakes of Tibet and California.Borax may also be obtained from tincal (Na2B4O7.10H2O) by treating tincalwith water and subsequently evaporating the clear solution, when crystalsof borax separate out.
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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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