Give two uses of quick lime.

Sorel's cement is

Write a note on: anomalous behavior of beryllium compared to other alkaline earth metal elements.

$ZnO$ when heated with $BaO$ at $1100\,^{\circ}C$ gives a compound. Identify the compound.

When water is added to compound $(A)$ of calcium,a solution of compound $(B)$ is formed. When carbon dioxide is passed into the solution,it turns milky due to the formation of compound $(C)$. If excess of carbon dioxide is passed into the solution,the milkiness disappears due to the formation of compound $(D)$. Identify the compounds $A$,$B$,$C$,and $D$. Explain why the milkiness disappears in the last step.

Which of the following components of cement is present in the highest amount?