Question

what is the colour at the universal indicator for the pH value of 9​

Answer 1

Answer:

Explanation:

The pH is a measure of how acidic or alkaline (basic) the urine is. A urine pH of 4 is strongly acidic, 7 is neutral (neither acidic nor alkaline), and 9 is strongly alkaline  Universal indicator is a brown coloured solution containing a mixture of indicators, that can be added to any substance to determine its pH. It changes colour in different pH environments. At pH range of 8−11, the colour is blue.

Answer 2

Answer:

Explanation:

Universal indicator is a brown coloured solution containing a mixture of indicators, that can be added to any substance to determine its pH. It changes colour in different pH environments. At pH range of 8−11, the colour is blue.