Chloride Of An Element Gives Natural Solution In Water. In The Periodic Table The Element Belongs To

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?