Which of the following contains two amphoteric oxides?
Which of the following contains two amphoteric oxides?
sodium oxide, Zinc oxide , Magnesium oxide
Aluminium oxide, Calcium oxide, Zinc oxide
Potassium oxide, Lithium oxide, Carbon monoxide
Silver oxide, Lead oxide, Sodium oxide
Sulphur dioxide, Aluminium oxide, Carbon monoxide
Correct answer is B
No explanation has been provided for this answer.
Which of the following compounds would react with ethanoic acid to give a sweet smelling liquid? ...
Four elements W, X, Y and Z have atomic number 2,6,16 and 20 respectiv...
What is the chemical symbol for Promethium? ...
What is the atomic number of Tin? ...
The general formula for the alkanals is ...
Cu2+(aq) + 4NH3(g) ↔ [Cu(NH3)4]2+(aq) In the reaction above, what is the effect of precipitati...
The brown fumes given off when trioxonitrate (V) acid is heated consist of ? ...
Which of the following statements about a chemical system in equilibrium is correct/ The ...