What Do You Observe When Caustic Soda Solution is Added to the Following Solution: First a Little and Then in Excess : Znso4 - Chemistry

What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : ZnSO₄

बेरीज

Addition of caustic soda to ZnSO₄ solution:
\[\ce{ZnSO4 + 2NaOH ->\underset{\text{White gelatinous ppt.}}{Zn(OH)2 v + Na2SO4}}\]

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Action of Alkalis on Certain Metals

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पाठ 4: Analytical Chemistry - Exercise 1 [पृष्ठ ८५]

पाठ 4 Analytical Chemistry
Exercise 1 | Q 5.2 | पृष्ठ ८५

Choose the most appropriate answer from the following list of oxides which fit the description

[SO₂, SiO₂, Al₂O₃, MgO, CO, Na₂O]

An oxide which dissolves in water forming an acid

State one relevant observation for the following.

Lead nitrate solution is treated with sodium hydroxide solution dropwise till it is excess.

Name two colourless metal ions.

Name two bases which are not alkalis but dissolves in strong alkalis.

Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.

Give two examples of amphoteric hydroxides.

Name: A weak alkali.

Name: Two bases which are not alkalis but dissolve in strong alkalis.

Name : A yellow monoxide that dissolves in hot and concentrated caustic alkali.

Choose the correct answer from the options given below :
Metal + alkali → salt + _________