Fill in the blank : MgO + HCl →__________
Classify the following substances as acidic, basic and neutral.
HCl, NaCl, MgO, KCl, CaO, H2SO4, HNO3, H2O, Na2CO3
Find the odd-man-out.
(a) HNO3, H2SO4, HCl, Na2CO3
(b) MgO, CaO, H2O, Na2O
(c) NaHCO3, NaOH, NH4OH, CH3COOH
(d) NaCl, C12H22O11, KCl, CuSO4
(e) HCl, H2SO4, HNO3, CH3COOH
MgO + HCl →__________.