Advertisements
Advertisements
प्रश्न
Write balanced equation for a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
Advertisements
उत्तर
\[\ce{2Al + \underset{Hot and conc.}{2NaOH} + 2H2O -> \underset{(colourless)}{\underset{Sodium meta aluminate}{2NaAlO2}} + 3H2}\]
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
Choose the most appropriate answer from the following list of oxides which fit the description.
[SO2, SiO2, Al2O3, MgO, CO, Na2O]
An amphoteric oxide
Name a metal that evolves a gas which burns with a pop sound when boiled with alkali solutions.
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 a metallic hydroxide soluble in excess of NH4OH.
Name: A strong alkali
Name: A weak alkali.
Name a compound containing zinc in the anion.
Choose the correct answer:
The metal oxide which can react with acid as well as alkali is:
