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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
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
A basic oxide.
Choose the most appropriate answer from the following list of oxides which fit the description
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
A compound X (having the vinegar-like smell) when treated with ethanol in the presence of the acid Z, gives a compound Y which has a fruity smell.
The reaction is:
1) Identify Y and Z.
2) Write the structural formula of X.
3) Name the above reaction.
Name a weak alkali.
Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.
Name: A strong alkali
Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.
Choose the correct answer from the options given below :
Metal + alkali → salt + _________
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Write balanced equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
