MgCl₂.6H₂O on heating give anhydrous MgCl₂

How will you prepare bleaching powder from slaked lime.

Write down the balanced equations for the reaction when:
An alkaline solution of potassium ferricyanide is reacted with hydrogen peroxide.

Find the value of $$\int\limits_{ - 1}^{3/2} {\left| {x\sin \,\pi \,x} \right|\,dx} $$