s-Block Elements
Alkali and alkaline earth metals — reactivity towards air, water, dihydrogen, halogens, acids; reducing nature; uses; general characteristics of oxides, hydroxides, halides, oxoacid salts; anomalous behaviour of Li and Be; preparation, properties and uses of compounds of sodium (Na2CO3, NaCl, NaOH, NaHCO3) and calcium (CaO, Ca(OH)2, CaCO3, CaSO4).
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Take a full mock →Q1 · s-Block Elements · EASY
Which of the following alkaline earth metal carbonates is thermally the most stable?
Q2 · s-Block Elements · MEDIUM
A white crystalline salt M when heated strongly decomposes to give a white residue and a mixture of two gases, one of which is a brown gas that supports combustion. The salt M is:
Q3 · s-Block Elements · MEDIUM
When compound X (a white solid) is heated strongly, it decomposes to give a metal oxide Y and two gaseous products, one of which turns lime water milky. The oxide Y when dissolved in water gives a solution with pH > 7. The compound X is most likely: