单项选择题
When the following solutions are mixed with 50 cm³ of 1mol/dm³ HCl, respectively, which will not change its pH: ()
A.50cm³ 1mol/dm³ reaction with NaCl
B.50cm³ 1mol/dm³ reaction with HNO3
C.50cm³ 1mol/dm³ reaction with Acetic acid
D.50cm³ 1mol/dm³ reaction with Sulfuric acid