19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Which of the following oxides is most acidic in nature? (NEET 2018)
Among CaH2, BeH2, BaH2, the order of ionic character is (NEET 2018) (a) CaH BeH BaH (b) BeH BaH CaH (c) BeH CaH BaH (d) BaH BeH CaH
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts is put under an electric field? (NEET 2017)
Molecular formula of Glauber’s salt is (JCECE 2010)
Epsom salt is (RPMT 2010)
Gypsum on heating to 390 K gives. (RPMT 2010)
The ionic mobility of alkali metal ions is aqueous solution is maximum for (RPMT 2010)
Among the alkali metals, cesium is the most reactive because (RPMT 2010)
The yellow coloured flame is of (MP PMT 2010)
Which of the metal carbonates is decomposed on heating? (MP PMT 2010)
Washing Soda is (MP PMT 2010)
The hightly reactive alkali metals are kept in (CPMT 2010)
In aqueous solution, the most stable sulphate is (CPMT 2010)
The solubilites of Na2SO4, BeSO4, MgSO4 and BaSO4 will follow the order (AMU 2010)
Which of the following alkaline earth metal sulphates has hydration enthalpy higher than the lattice enthalpy? (AIPMT 2010)
Property of the alkaline earth metals that increase with their atomic number (AIPMT 2010)
Which of the following on thermal decomposition yields a basic as well as an acidic oxide? (Kerala CEE 2008)
The correct order of stability for the following superoxides is (EAMCET 2008)
Equimolar solution of the following were prepared in water separately. Which one of the solutions will record the highest pH? (AIPMT 2008)
The alkali metals from salt-like hydride by the direct synthesis at elevated tempeature. The thermal stability of these hydrides decreases in which of the following orders? …
In which of the following the hydration energy is higher than the lattice energy? (CBSE AIPMT 2007)
Consider the following abbreviations for hydrated What is the correct order of size of these hydrated alkali ions? n n n x Li H O , y Na H O ,z K H O (J & K CET 2006)
Lower melting point chloride is (JCECE 2006)
When sodium nitrate is heated above 800° C then (JCECE 2006)
Main process for the manufacture of sodium carbonate is (MP PMT 2006)