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Acids and Bases
Transcript of Acids and Bases
Acids / Bases Around us
: A solution that has an
excess of H+ ions
. It comes from the Latin word
that means sour.
: A solution that has an
excess of OH- ions
. Another word for base is alkali.
Acids and bases are all around
Acids and bases are everywhere
Every liquid will probably have either acidic or basic traits.
In fruit, there is something called citric acid.
of Acids and Bases
It is important to understand the reaction/response of substances commonly found around us.
Hydrochloric acid (
Sulfuric acid (
Nitric acid (
Acids in the Lab
Common acids that can be
Some acids are found in nature, such as the citric acid in certain fruits. These acids are called '
Acids in our body:
One of the best examples is your stomach.
Human stomachs contain hydrochloric acid that is used to digest food.
Bases commonly found :
You also have acids in your body.
Acid or Base?
Activity - Experiment
Red cabbage as an indicator.
How Do Acids and Bases React with Each Other?
Acids and bases are the chemical 'opposites'.
The action of an acid and a base nullifies the effect of one on the other.
Let's watch the next video
about acids and bases:
Acids and bases are all around us
We reviewed the concepts of
and the way we interact with them in our daily life without even noticing.
They are in foods, cleaning products, medicines and have many uses and applications at home.
To recognize acids and bases around us.
To identify the
characteristics of both substances
and the main reaction between
milk of magnesia
Power of Hydrogen
Base + Acid = > Salt + Water
NaOH (aq) + HCl (aq) --> NaCl (aq)
(base) (acid) + H2O (l)
Sodium hydroxide + Hydrochloric acid = Sodium chloride and water
Answer True Or False. Give the correct answer when False.
1. Acids and bases don't react with each other.
2. Lemons contain citric acid.
3. Ammonia is an acid.
4. Base solutions have a pH above 7.
5. Neutral solutions have a pH of 0.
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