Name: a Weak Alkali.

Name: A weak alkali.

One Word/Term Answer

NH₄OH

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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 3. (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

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

[SO₂, SiO₂, Al₂O₃, MgO, CO, Na₂O]

An amphoteric oxide

Name a weak alkali.

Name two coloured metal ions.

Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.

Name: Two coloured ions

Name a coloured metallic oxide which dissolves in alkalis to yield colourless solutions.

Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al₂O₃ / Al / Al(OH)₃]

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.