s - block Elements (Alkali and Alkaline Earth Metals)
An example of Alum is___________.
Answer the following Name the two metals present in common alum.
Common alum is the double sulphate of potassium and aluminium.
Its composition is $${K}_{2}{SO}_{4}.{Al}_{2}\left({SO}_{4}\right)_{3}{^.}{24H}_2O$$.
An example of Alum is___________.
Which of the following is not true about potash alum?
Which of the following is a use of alum
Alum helps in purifying water by_________
Alum is water purifier because it___________
Why does bleeding stop by rubbing moist alum?
When a solution of sodium hydroxide is added in excess to the solution of potash alum, we obtain:
When a solution of sodium hydroxided in excess to the solution of postah alum, we get :
Alums are used for_________
Answer the following Name the compound of aluminium which is used as germicide and coagulant in the purification of water.