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प्रश्न
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
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उत्तर
The hydroxide which is soluble in excess of NaOH is Zn(OH)2.
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संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
State one relevant observation for the following.
Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.
Name a metallic oxide soluble in excess of caustic soda solution.
Name a strong alkali.
Name the metal hydroxides which are:
Sparingly soluble
In caustic soda solution
Name: A metallic oxide soluble in excess of caustic soda solution.
Name: Two coloured ions
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Fill in the blank.
To distinguish soluble salts of zinc and lead ______ [NaOH / NH4OH]can be used.
