Download - Chemistry In Everyday Life - UAB
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Chemistry in everyday life
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citric acid
food coloring
emulsifier
flavour enhancer
preservatives
thickenersweetener
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About chemistry in food…
Food additives are substances added to food to preserve flavour or improve its taste and appearance.
Some additives have been used for centuries; for example, salting or using sulfur dioxide as in some wines.
Many more additives have been introduced, of both natural and artificial origin.
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About chemistry in food…
Have you seen the ingredients named with the E-xxx style? These are the European codes for food additives.
According to the European legislation, each additive has a specific number. They are called “E-numbers”.
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About chemistry in personal care products…
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deodorant
shaving cream
shampoomouthwash
toothpaste talcum powder
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About chemistry in cosmetics…
Cosmetics are substances used to enhance the appearance or odor of the human body.
A subset of cosmetics is called "make-up“, which refers to products intended to change the user‟s appearance.
There are still health concerns regarding the presence of harmful chemicals within these products.
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Lipsticks and lip balm contain oils, beeswax and perfumes. These protect, soften and brighten the lips.
Nail polish is made of lacquer, and consists of polymers, solvents, plasticisers, colourants, and perfumes.
Mascaras have a composition based on a volatile solvent, beeswax, pigments (iron oxide) and filmifying polymers.
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About chemistry in medicine…
Pharmacy logo in Spain Pharmacy logo in US
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About chemistry in medicine…
Chemistry is a huge part of medicine, both as a diagnostic and treatment tool.
Chemistry departments in hospital medical labs analyze blood, urine, etc. for proteins, sugars and other substances.
Blood analysis test the amount of potassium and sodium in our blood.
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Do you know how to solve these
problems?
Toothache
Stomachache
Insect bites
Headache
Fever
Constipation
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Chemistry in household
cleaning products
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What do we use these products for?
toilet bowl cleaner
stain remover
glass and surface cleaner
disinfecting bathroom cleaner
multi-purpose cleaner
washing machine cleaner
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About chemistry in household
cleaning products…
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C Corrosive
O Oxidizing
F+ Extremely flammable
F Highly flammable
T Toxic T+ Very toxic
Xn Harmful Xi Irritant
N Dangerous for the environment
E Explosive
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About chemistry in household
cleaning products…
The chemistry in household cleaning products affects our environment greatly.
For example, a very common component in cleaning products is chlorine.
Chlorine has gaseous elements that can be lethal if large quantities are released into the atmosphere.
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The most common ingredients in household cleaning products include alkalies, acids, detergents, other toxic chemicals
Alkalies cause burns, and if swallowed can cause internal injuries.
Acids can irritate and injure the skin and eyes.
Caustic household cleaners can cause severe burning if swallowed or put on the skin.
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Some recap questions…
Are food additives always artificial?
Are cosmetics an invention from the
20th Century?
Is there chemistry in our bodies?
Is it important to read the label of a
product before using it?
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Disclaimer:
This PPT was created by the authors of
„Chemistry in Everyday life‟ Unit and it is meant
for teacher‟s education purposes only, it being
designed and piloted within UAB TED Master‟s
Degree in the academic year 2009-2010.
This PPT has been elaborated with images
available on the Internet. Some of the images
appearing may have copyright notices and
usage restrictions.