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प्रश्न
What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO4
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उत्तर
Addition of caustic soda to ZnSO4 solution:
\[\ce{ZnSO4 + 2NaOH ->\underset{\text{White gelatinous ppt.}}{Zn(OH)2 v + Na2SO4}}\]
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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-)
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
A basic oxide.
Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
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 bases which are not alkalis but dissolve in strong alkalis.
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
