Anhydrous `CuSO_4` on heating, the gases liberated?

When Brine solution is subjected to electrolysis the gases liberated at anode and at cathode are

A certain compound when burned gives three oxides. The first turned lime water milky, the second turned anhydrous CuSO_4 blue and the third formed an aqueous solution of low pH. The elements present in the compound are

Anhydrous MgCl_(2) is obatined by heating hydrate salt with _____.

When 1 mole of anhydrous CuSO_(4) is dissolved in excess of water, -66.4 kJ heat is evolved. When one mole of CuSO_(4).5H_(2)O is dissolved in water, the heat change is +11.7 kJ. Calculate enthalpy of hydration of CuSO_(4) (anhydrous).

When 1 mole of anhydrous CuSO_(4) is dissolved in excess of water, -66.4 kJ heat is evolved. When one mole of CuSO_(4).5H_(2)O is dissolved in water, the heat change is +11.7 kJ. Calculate enthalpy of hydration of CuSO_(4) (anhydrous).

One moles of anhydrous AB dissolves in water and liberates 21.0 J mol^(-1) of heat. The valueof DeltaH^(Theta) (hydration) of AB is -29.4 J mol^(-1) . The heat of dissolution of hydrated salt AB.2H_(2)O(s) is

Which substance is obtained in the solution on electrolysis of aqueous CuSO_4 solution using graphite electrodes?

When excess of ammonia is added to CuSO_4 solution, the deep blue coloured complex is formed. Complex is

Which alkali metal carbonate decomposes on heating to liberate CO_2 ?

When sodium chloride is heated with concentrated sulphuric acid, the gas liberated is