Name: a Metallic Oxide Soluble in Excess of Caustic Soda Solution. - Chemistry

Name: A metallic oxide soluble in excess of caustic soda solution.

One Word/Term Answer

Na₂O

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Action of Alkalis on Certain Metals

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Chapter 4: Analytical Chemistry - Exercise 1 [Page 85]

Chapter 4 Analytical Chemistry
Exercise 1 | Q 11.2 | Page 85

Name a weak alkali.

Name the metal hydroxides which are :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.

Name the metal hydroxides which are soluble in caustic soda solution.

What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : FeCl₃

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

Name: A weak alkali.

What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?

Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:

Why the alkali is added drop by drop to the salt solution?

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