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The p-Block Elements — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThe p-Block Elements1 Mark
MCQ
Cement, the important building material is a mixture of oxides of several elements. Besides calcium, iron and sulphur, oxides of elements of which of the group $(s)$ are present in the mixture?
  • A
    group $2$.
  • ✓
    groups $2, 13$ and $14$.
  • C
    groups $2$ and $13.$
  • D
    groups $2$ and $14.$
✓

Answer

Correct option: B.
groups $2, 13$ and $14$.
Cement is manufactured by combining substances which are lime$\text{(CaO)}$, clay contains silica $\text{(SiO)}$ and oxides of $Al, Mg$ and iron.

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