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ACID
-is a chemical substance whose aqueous solutions are characterized by a sour taste, the ability to turn blue litmus red, and the ability to react with bases and certain metals (like calcium) to form salts.
-Aqueous solutions of acids have a pH of less than 7. A lower pH means a higher acidity, and thus a higher concentration of hydrogen ions in the solution. Chemicals or substances having the property of an acid are said to be acidic.

| Name of the Drink | pH Content | 1 | Coca-Cola | Almost 2.5 | 2 | Sprite | Almost 2.5 | 3 | Orange juice | Around 3.5 | 4 | | |

GLUCOSE -C6H12O6, also known as D-glucose, dextrose, or grape sugar) is a simple monosaccharide found in plants.
-The mean normal blood glucose level in humans is about 5.5 mM (5.5 mmol/L or 100 mg/dL, i.e. milligrams/deciliter) | Name of the Drink | Conclusion | Content (g/100 ml) | 1 | Coca-Cola | GLUCOSE IS PRESENT | 3.9-4.5 | 2 | Sprite | GLUCOSE IS PRESENT | 3.9-4.5 | 3 | Orange juice | GLUCOSE IS PRESENT | 20.8 | 4 | | | |

PHOSPHATE -an inorganic chemical, is a salt of phosphoric acid.

| NAME OF THE DRINK | Observation | Conclusion | | Coca-Cola | | | | Sprite | | | | | | | | | | |

If small samples of each brand of cold drinks were taken in separate test tubes and Ammonium Molybdate followed by concentrated Nitric Acid (HNO3) was added to it. And the solution was heated. Appearance of canary-yellow precipitate confirmed the presence of phosphate ions in cold drinks.

ALCOHOL

SUCROSE

DIS-ADVANTAGES OF COLD DRINKS
1. Soft drinks are little more harmful than sugar solution. As they contain sugar in large amount which cause problems in diabetes patients.
2. Soft drinks can cause weight gain as they interfere with the body’s natural ability to suppress hunger feeling.
3. Soft drinks have ability to dissolve the calcium so they are also harmful for our bones.
4. Soft drinks contain “phosphoric acid” which has a pH of 2.8. So they can dissolve a nail in about 4 days.
5. For transportation of soft drinks syrup the commercial truck must use the hazardous matter place cards reserved for highly consive material.
6. Soft drinks have also ability to remove blood so they are very harmful to our body.
7. Obesity and weight-related diseases.
8. Hypokalemia (low potassium levels) diseases.
9. Most soft drinks contain high concentration of simple carbohydrates - glucose, fructose, sucrose and other simple sugars. Oral bacteria ferment carbohydrates and produce acid, which dissolves tooth enamel during the dental decay process; thus, sweetened drinks are likely to increase risk of dental caries. The risk is greater if the frequency of consumption is high.

Sources: http://share.pdfonline.com/82d55b914d694895aa0ea4ae8f946f6b/47363797-chemistry-project-on-soft-drink-120207021345-phpapp01%20(1).pdf https://www.google.com.ph/search?q=disadvantages+of+acid&oq=disadvantages+of+ac&aqs=chrome.1.69i57j0l5.21785j0j7&sourceid=chrome&espv=210&es_sm=93&ie=UTF-8
-------------------------------------------------
http://en.wikipedia.org/wiki/Blood_sugar

http://en.wikipedia.org/wiki/Orange_juice http://goranlab.com/pdf/Ventura%20Obesity%202010-sugary%20beverages.pdf http://en.wikipedia.org/wiki/Phosphate

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