Select a substance from the list with a pH less than 7 and one with a pH greater than 7: orange juice, rain water, toothpaste, bread soda, vinegar, sour milk, milk of magnesia, cola, washing soda - Junior Cycle Science - Question f - 2012
Question f
Select a substance from the list with a pH less than 7 and one with a pH greater than 7: orange juice, rain water, toothpaste, bread soda, vinegar, sour milk, milk o... show full transcript
Worked Solution & Example Answer:Select a substance from the list with a pH less than 7 and one with a pH greater than 7: orange juice, rain water, toothpaste, bread soda, vinegar, sour milk, milk of magnesia, cola, washing soda - Junior Cycle Science - Question f - 2012
Step 1
pH less than 7
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Answer
A suitable substance with a pH less than 7 is orange juice. Orange juice is acidic and typically has a pH around 3-4.
Step 2
pH greater than 7
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Answer
A substance with a pH greater than 7 is toothpaste. Most toothpaste has a pH around 8-10, making it alkaline.
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