Chloride of an element gives natural solution in water. In the periodic table the element belongs to
Only chlorides of group I are natural because they do not undergo hydrolysis
The carbonate that will not decompose on heating is
The correct order of increasing thermal stability of K2CO3, MgCO3, CaCO3 and BeCO3 is:
In which of the following the hydration energy is higher than the lattice energy?
The solubility of alkali metal hydroxide follows the order:
The label on a bottle of H2O2 solution reads as ’10 volume’. The concentration of H2O2 in percentage by volume is
Which of the following has the highest decomposition temperature?
Bleaching powder slowly loses its activity when it stands in air. This is due to
Among the following compounds of cement which is present in the highest amount?
Sodium peroxide which is a yellow solid, when exposed to air becomes white due to the formation of
The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?