The given solution changes the colour of turmeric from yellow to red the solution is:
Question 8
A solution changes the colour of turmeric indicator from yellow to red. The solution is (a) basic (b) acidic (c) neutral (d) either neutral or acidic
A solution changes the colour of turmeric indicator from yellow to red. The solution is:
Question 3
Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed (a) Yellow in both acid and base. (b) Yellow in acid and red in base. (c) Pink in acid and yellow in base. (d) Red in acid and blue in base.
(a) What is an indicator ? Name the three common indicators.
(b) Name an acid-base indicator extracted from lichen.
(c) What colour does the turmeric paper turn to when put in an alkaline solution ?