What do you understand by amphoteric oxide?

अति संक्षिप्त उत्तर

Amphoteric oxides are those compounds, which react with both acids and alkalis to form salt and water.

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Action of Alkalis on Certain Metals

या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?

पाठ 4: Analytical Chemistry - Exercises [पृष्ठ ८४]

पाठ 4 Analytical Chemistry
Exercises | Q 13. (i) | पृष्ठ ८४

When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H⁺, h₃O⁺, OH^-)

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

[SO₂, SiO₂, Al₂O₃, MgO, CO, Na₂O]

A basic oxide.

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

[SO₂, SiO₂, Al₂O₃, MgO, CO, Na₂O]

An amphoteric oxide

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

Lead nitrate solution and Zinc nitrate solution

Name a strong alkali.

Name a weak alkali.

Name two coloured metal ions.

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

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

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