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Importance of acids and alkaline in our daily lives

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Chu Lok Yan

on 8 June 2015

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Transcript of Importance of acids and alkaline in our daily lives

Acid and alkaline in our daily lives
By Chu Lok Yan 2S (2)

Your home and cleaning
There are many household products included acid or alkali:

Acid: shampoo, lotion, toliet cleaner, etc.

Alkali: Stove cleaner, glass cleaner, kitchen cleaner, soap, toothpaste.

The pH value of bleach is 12.5, glass cleaner is 11.5 and hair conditioner is 5. They are very important and useful in our daily lives.


Health and medicine
using antacid ( an alkali) to neutralize the excess acids in stomach to relieve stomach ache.


Conclusion
Acid and alkaline
Acid:
- Tastes sour
- pH value is lower than 7
- It's corrosive


Alkaline:
- It has a bitter taste
- pH value is higher than 7
- It's corrosive

Food and drink
In our daily life, many food and drinks contains acid such as:

Orange, apple, lemon, soft drinks,kiwi fruit, ketchup, etc.

Alkali: Noodles, baking soda, etc.

The pH value of apple juice is 3, and the pH value of coffee is 5, and green tea is 4.

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