Some Important Compounds of Alkaline Earth Metal Elements and their Uses

Assertion (A):- ${\mathrm{MgSO}}_4$ is readily soluble in water

Reason (R):- The greater hydration enthalpy of ${\mathrm{Mg}}^{2+}$ ions overcome its lattice enthalpy.

Which of the following is a basic oxide which is when slaked with soda gives solid sodalime?

Calcium hydroxide is a:

The formula of calcium sulphate is 

The chemical formula of calcium carbonate is

The structures of beryllium chloride, in solid state and vapour phase, are:

Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is.

How does calcium oxide react with acidic oxides?

Write the reaction of calcium oxide with sulphur trioxide.

Calcium oxide neutralises the acidic oxides.

Write the reaction of calcium oxide with  ${\mathrm{P}}_4{\mathrm{O}}_{10}$.

Write the reaction of calcium oxide with silicon dioxide.

Study the following reaction:

$\mathrm{Metal} \mathrm{carbide}+{\mathrm{H}}_2\mathrm{O}\to \underset{(\mathrm{colourless} \mathrm{gas}, \mathrm{burns} \mathrm{readily} \mathrm{in} \mathrm{air})}{\mathrm{X}}\underset{{\mathrm{NH}}_4\mathrm{OH}}{\overset{{\mathrm{Cu}}_2{\mathrm{Cl}}_2}{\to }} \underset{(\mathrm{Red} \mathrm{precipitate})}{\mathrm{Y}}$

The metal carbide is- 

Select the incorrect statement from the following.

What is the best way among the following to prevent the absorption of soluble barium if a doctor by mistake administers a $\mathrm{Ba}{\left({\mathrm{NO}}_3\right)}_2$ solution to a patient for radiography investigationn?

The colour of calcium oxide is

The value of $\mathrm{x}$ is maximum for:

Total number of moles of $\mathrm{EDTA}{ }^{4-}$required to produce octahedral complex with ${\mathrm{Mg}}^{2+}$ is _____