Name a weak alkali.

Name a weak alkali.

One Line Answer

Ammonium hydroxide (NH₄OH)

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Action of Alkalis on Certain Metals

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Chapter 4: Analytical Chemistry - EXERCISE-4 [Page 68]

Chapter 4 Analytical Chemistry
EXERCISE-4 | Q 2. (d) | Page 68

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 colourless metal ions.

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

What do you observe when caustic soda solution is added to the following solution: first a little and then in excess : CuSO₄

What do you understand by amphoteric oxide?

Name a metallic hydroxide soluble in excess of NH₄OH.

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

Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.

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