Chemistry
The substance/s which react with hot conc. NaOH soln. and undergoes a neutralization reaction …………… [Al2O3/Al/Al(OH)3]
Related Questions
The hydroxide which is soluble in excess of NaOH is …………… [Zn(OH)2/Fe(OH)3/Fe(OH)2]
The salt which will not react with NH4OH solution is …………… [ZnCl2/CuCl2/NH4Cl/FeCl2]
To distinguish soluble salts of zinc and lead, …………… [NaOH/NH4OH] can be used.
Oxides and hydroxides of certain metals i.e …………… [iron/ zinc/copper/aluminium/magnesium/lead] are amphoteric and react with …………… [acids/alkalis/acids and alkalis] to give salt and water.