s-Block Elements Questions

Thermal stability of MCO3 is in order :

Solubility of the alkaline earth′s metal sulphates in water decreases in the sequence :-

The function of ″Sodium pump″ is a biological process operating in each and every cell of allanimals. Which of the following biologicallyimportant ions is also a consituent of this pump :-...

Which one of the alkali metals, forms only, the normal oxide, M2O on heating in air ?

The ease of adsorption of the hydrated alkali metal ions on an ion-exchange resins follows the order

Which one of the alkali metals, forms only, the normal oxide, M2O on heating in air

Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy ?

Property of the alkaline earth metals that increases with their atomic number

Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point.

One mole of magnesium nitride on the reaction with an excess of water gives

KO2 (potassium super oxide) is used in oxygen cylinders in space and submarines because it

The substance not likely to contain CaCO3 is

An inorganic compound which on heating first melts, then solidifies and liberates a gas, is

Sodium carbonate is soluble in water because of

The first ionization potential is maximum for :

Chemical A is used for softening of water to remove temporary hardness. A reacts withsodium carbonate to produce cautic sode. When CO2 is bubbled through ′A′, it turns cloudy. Chemically &...

Sodium on heating with moist air produces

Nitrolium is :

The molecular formula of plaster of pairs is :

Which one of the following hydroxide is insoluble water ?