Water is added to a test-tube containing dilute sulphuric acid of pH 4.

分类: 作业答案 • 2022-01-09 18:03:45

问题描述：

Water is added to a test-tube containing dilute sulphuric acid of pH 4.
What could be the pH of the resulting solution?
A 8 B 6 C 4 D 2

答

B 加水可以使硫酸的ph值升高,但不会超过7