Fill in the Blank

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 Blanks

The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction Al₂O₃, Al.

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Action of Alkalis on Certain Metals

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Chapter 4: Analytical Chemistry - Exercises [Page 83]

Chapter 4 Analytical Chemistry
Exercises | Q 2. (d) | Page 83

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

Give a chemical test to distinguish between the given pair of chemicals:

Lead nitrate solution and zinc nitrate solution.

Name two coloured metal ions.

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 :
(a) Insoluble (b) Soluble in
(i) Caustic soda solution (ii) Ammonium hydroxide solution.

Give two examples of amphoteric hydroxides.

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

Name the chloride of a metal which is soluble in excess of ammonium hydroxide.

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

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