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

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

एक शब्द/वाक्यांश उत्तर

PbO

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Action of Alkalis on Certain Metals

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अध्याय 4: Analytical Chemistry - Exercise 1 [पृष्ठ ८५]

अध्याय 4 Analytical Chemistry
Exercise 1 | Q 11.7 | पृष्ठ ८५

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

Name two colourless metal ions.

Name two bases which are not alkalis but dissolves in strong alkalis.

Name the metal hydroxides which are:

Sparingly 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 : FeCl₃

Name: Two coloured ions

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

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 + _________