EASY
JEE Main
IMPORTANT
Earn 100

Match List-I with List-II

  List-I   List-II
(a) Ca(OCl)2 (i) Antacid
(b) CaSO4·12H2O (ii) Cement
(c) CaO (iii) Bleach
(d) CaCO3 (iv) Plaster of paris

Choose the most appropriate answer from the

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Important Questions on The s-Block Elements

EASY
JEE Main
IMPORTANT
One of the by-products formed during the recovery of NH3 from Solvay process is:
EASY
JEE Main
IMPORTANT
The correct order of conductivity of ions in water is:
MEDIUM
JEE Main
IMPORTANT

Given below are two statements:

Statement I : Both CaCl2.6H2O and MgCl2.8H2O undergo dehydration on heating.

Statement II : BeO is amphoteric, whereas the oxides of other elements in the same group are acidic.

In the light of the above statements, choose the correct answer from the options given below:

MEDIUM
JEE Main
IMPORTANT
Among the statements a-d, the correct ones are:
(a) Lithium has the highest hydration enthalpy among the alkali metals.
(b) Lithium chloride is insoluble in pyridine.
(c) Lithium cannot form ethynide upon its reaction with ethyne.
(d) Both lithium and magnesium react slowly with H2O .
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JEE Main
IMPORTANT
The metal that forms nitride by reacting directly with N2 of air is:
MEDIUM
JEE Main
IMPORTANT
The alkaline earth metal nitrate that does not crystallise with molecules is:
EASY
JEE Main
IMPORTANT
The structures of beryllium chloride in the solid state and vapour phase, respectively, are: