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प्रश्न
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
पर्याय
Silver oxide.
Copper (II) oxide.
Aluminium oxide
Calcium oxide
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उत्तर
C ( Aluminium oxide)
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संबंधित प्रश्न
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
a metallic hydroxide soluble in excess of NH4OH.
What do you understand by amphoteric oxide? Give the balanced equations for the reaction with three different amphoteric oxides with a caustic alkali. Write your observation if any.
Name: A weak alkali.
Name the chloride of a metal which is soluble in excess of ammonium hydroxide.
When ammonium hydroxide is added to solution B, a pale blue precipitate is formed. This pale blue precipitate dissolves in excess ammonium hydroxide to give an inky blue solution. Name the cation present in solution B. What is the probable colour of solution B?
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
One chemical test that would enable you to distinguish between the following pair of chemicals. Describe what happens with each chemical or state 'no visible reaction'.
Calcium nitrate solution and zinc nitrate solution.
Write balanced equations for a metal that evolves into a gas which burns with a pop sound when boiled with alkali solutions.
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solution.
