Advertisements
Advertisements
प्रश्न
What is observed when hot, concentrated caustic soda solution is added to aluminium? Write a balanced equation.
Advertisements
उत्तर
\[\ce{2Al + \underset{concentrated}{\underset{Hot and}{2NaOH}}+ 2H2O -> \underset{(colourless)}{\underset{Sodium meta aluminate}{2NaAlO2}} + 3H2}\]
APPEARS IN
संबंधित प्रश्न
Identify the cations in the following case:
NaOH solution, when added to the Solution (A), gives a reddish brown precipitate
Name the kind of particles present in sodium hydroxide solution.
Name a white, insoluble oxide that dissolves when fused with caustic soda or caustic potash.
Using sodium hydroxide solution, how will you distinguish:
Iron (II) chloride from iron (III) chloride
Three test tubes contain calcium nitrate solution, zinc nitrate solution and lead nitrate solution.Describe the effect of Adding sodium hydroxide solution to each portion in turn till it is in excess.
A white solid A when heated with sodium hydroxide solution, gives a pungent gas B, which turns red litmus blue. The solid, when dissolved in dilute nitric acid and treated with silver nitrate gives a white precipitate of C which is soluble in an ammonia solution.
Using Sodium hydroxide solution, how would you distinguish: Zinc nitrate solution from calcium nitrate solution.
Write balanced equation reaction of sodium hydroxide solution with iron (III) chloride solution.
What is observed when hot, concentrated caustic soda solution is added to zinc? Write a balanced equation.
State one relevant observation for the following:
To the copper nitrate solution, initially, few drops of sodium hydroxide solution is added and then added in excess.
