Observe the following solutions
I. Black coffee  II. 0.2 M NaOH III. Lemon juice
IV. Lime water V. Human Saliva  VI. Tomato juice 
The number of solutions having pH range of 1-7 and 7-14, in the above list, is respectively

There are four solutions whose pH lie in the range of 1-7 and two solutions whose pH lie in the range of 7-14.

• pH range of black coffee is around 5.0
• that of 0.2 M NaOH is 13.97
• for lime juice is 2.2
• for lime water is 12.4
• Human Saliva is around 6-6.2
• for tomato juice is 4.2