There are two solutions, red and yellow colors. These colors come from the indicator used in these different solutions. The pH value of both are different, the pH of the red color is lower than the pH of the other one.The equipment is called a pH meter.
Make a plan for doing this and write down the data from the above observation. In the report, write the solution you use. There are two set of solutions, first from the calculation of concentration, use HCl(aq) and the other set, use solution from the kitchen.
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