Advertisements
Advertisements
प्रश्न
Name
a metallic hydroxide soluble in excess of NH4OH.
Advertisements
उत्तर
Cu(OH)2
संबंधित प्रश्न
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: Two bases which are not alkalis but dissolve in strong alkalis.
Fill in the blank.
The hydroxide which is soluble in excess of NaOH is _________ [Zn(OH)2 / Fe(OH)3 / Fe(OH)2].
Fill in the blank.
The substance/s which react with hot conc. NaOH solution and undergoes a neutralization reaction ______ [Al2O3 / Al / Al(OH)3]
What do you see when sodium hydroxide solution is added to zinc sulphate solution, till it is in excess?
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
Write the equation for the following reaction :
Zinc oxide is treated with sodium hydroxide solution.
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 equations for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
