Which one out of the NaOH and KOH, is a better absorber of CO2?
KOH is better absorber of CO2 because K2CO3 formed is more soluble and does not separate out.
Bleaching powder slowly loses its activity when it stands in air. This is due to
Chloride of an element gives natural solution in water. In the periodic table the element belongs 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?
Which of the following on thermal decomposition yields a basic as well as an acidic oxide?
Choose the correct statement :
The reason for use of polyphosphates as water softening agents is, that
Lithium can not be stored in kerosene oil because
Which product is formed in the following reaction
The general formula of an alum is
where M is univalent and M’ is a trivalent metal which of the following does not form alum?