Chemistry
The hydroxide which is soluble in excess of NaOH is …………… [Zn(OH)2/Fe(OH)3/Fe(OH)2]
Related Questions
State one relevant observation for the reaction : Addition of excess ammonium hydroxide into copper sulphate solution.
Salts of …………… [normal/transitional] elements are generally coloured. From the ions K1+, Cr3+, Fe2+, Ca2+, SO32-, MnO41-, NO31- the ions generally coloured are ……………
The salt which will not react with NH4OH solution is …………… [ZnCl2/CuCl2/NH4Cl/FeCl2]
The substance/s which react with hot conc. NaOH soln. and undergoes a neutralization reaction …………… [Al2O3/Al/Al(OH)3]