4. Examine the results of any cleaning t rcle one)? Why is this? g supplics you

Question

4. Examine the results of any cleaning t rcle one)? Why is this? g supplics you tested. Are cleaning supplies mostly acidic or 5. Could you use the cabbage juice indicator in this experiment to determine the pH of a cola drink or root beer? Briefly explain why or why not. 6. What difficulties arise when examining bleach? Why is this? The chemicals obtained from red cabbage that act as a pH indicators are pigments called anthocyanins. Based on your results, do you think anthocyanins are useful indicators? Why or why not? 7.

Explanation / Answer

Ans 4 :

The solutions that have their pH below 7 , are called acidic in nature and the ones above 7 are called basic/ alkaline.

The acidic solutions are used to clean off rust , calcium , and other minerals from the surface . Whereas the alkaline cleaning solutions are good at removing dirts and grease.

Commonly used cleaning supplies are basic in nature , and they clean the surfaces basically by the soap action.

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