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Separate the Following into Substances Having Ph Values Above and Below 7. How Do These Influence Litmus Paper? (I) Lemon Juice (Ii) Solution of Washing Soda (Iii) Toothpaste (Iv) Vinegar (V) Stomach Juices - Science

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ConceptImportance of Ph in Everyday Life;

Question

Separate the following into substances having pH values above and below 7. How do these influence litmus paper?
(i) Lemon juice
(ii) Solution of washing soda
(iii) Toothpaste
(iv) Vinegar
(v) Stomach juices

Solution

On the pH scale, bases have values greater than 7, whereas acids have values less than 7. A basic solution turns red litmus blue. An acidic solution turns blue litmus red. With this information, let us separate the substances given below into those with pH values above and below 7.
 

Substances  Acid/base pH value Litmus test result
1. Lemon juice Acid Less than 7 Turns blue litmus red
2. Solution of washing soda Base Greater than 7 Turns red litmus blue
3. Toothpaste Base Greater than 7 Turns red litmus blue
4. Vinegar Acid Less than 7 Turns blue litmus red
5. Stomach juices Acid Less than 7 Turn blue litmus red
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Solution Separate the Following into Substances Having Ph Values Above and Below 7. How Do These Influence Litmus Paper? (I) Lemon Juice (Ii) Solution of Washing Soda (Iii) Toothpaste (Iv) Vinegar (V) Stomach Juices Concept: Importance of Ph in Everyday Life;.
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