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

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अध्याय 4: Analytical Chemistry - Exercises [पृष्ठ ८४]

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

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

[SO₂, SiO₂, Al₂O₃, MgO, CO, Na₂O]

A basic oxide.

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 : ZnSO₄

What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation.

Name a compound containing zinc in the anion.

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

Choose the correct answer from the options given below :
Metal + alkali → salt + _________

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

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

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