Plzz find it
Kindly refer to the given link:
1.
https://www.meritnation.com/ask-answer/question/name-a-metallic-hydroxides-soluble-in-excess-of-nh4oh/chemistry/7923907
2. A metal oxide which is soluble in excess of caustic soda is aluminium oxide (Al2O3).
Al2O3 (s) + 2NaOH (aq) + 3H2O (l) → 2Na[Al(OH)4] (aq)
3. a strong alkali is NaOH
4. A weak alkali is Ba(OH)2
For further queries kindly ask in another thread.
Regards
1.
https://www.meritnation.com/ask-answer/question/name-a-metallic-hydroxides-soluble-in-excess-of-nh4oh/chemistry/7923907
2. A metal oxide which is soluble in excess of caustic soda is aluminium oxide (Al2O3).
Al2O3 (s) + 2NaOH (aq) + 3H2O (l) → 2Na[Al(OH)4] (aq)
3. a strong alkali is NaOH
4. A weak alkali is Ba(OH)2
For further queries kindly ask in another thread.
Regards