Which of the following oxides is neutral?
NO2
MgO
H2O
CaO
Water is a neutral solvent because the concentration of hydrogen and hydroxide ions is the same.
Classify the following substances as acidic, basic and neutral.
HCl, NaCl, MgO, KCl, CaO, H2SO4, HNO3, H2O, Na2CO3
(a) What are amphoteric oxides? Give two examples of amphoteric oxides. (b) Choose the acidic oxides, basic oxides and neutral oxides from the following: Na2O:CO2;CO;SO2;MgO;N2O;H2O. (c) Which of the following are amphoteric oxides: MgO,ZnO,P2O3,Al2O3,NO2
Sulphuric acid has the highest importance in the chemical Industry. Why?
Classify following substances into acidic, basic and neutral group -
HCl, NaCl, MgO, KCl, CaO, H2SO4 , HNO3 , H2O, Na2CO3.