A fruit juice is tested for its pH value. What could be its possible pH if the colour is changed to yellow?
7
Less than 6.0
Between 6.5 and 7.5
More than 7.5
Less than 6.0.
pH range (5 - 6) shows up yellow colour on pH paper.
The pH values of distilled water, fruit juice and sodium bicarbonate were measured using pH papers. What is the correct decreasing order of pH values?