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Acids and Bases
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Ammonia. (weak alkali or strong alkali)
weak alkali
Acids present in animal and plant materials. O______ Acids
Organic Acids
Harmful and corrosive acids. ______(mineral, organic) Acids
Mineral Acids
Sulfuric Acid. (mineral or organic)
mineral
Acid dissolved in water is found in Coca-Cola, Pepsi, and other fizzy drinks. C_______ Acid
Carbonic Acid
You can use an i_______r to detect whether a solution is acidic or alkaline.
indicator
What is the most common indicator used to detect acidity or alkalinity? L_____ p____
Litmus paper
What color is litmus in a neutral solution? P_____
Purple
The ______ (weighing, pH) scale gives a numerical value to how acidic or alkaline a solution is.
pH
What pH value do acids have? (less than 7, greater than 7)
Acids have a pH less than 7.
The more acidic a solution, the (lower,greater) the pH.
lower
Neutral substances, such as pure water, have a pH of ____.
7
Alkalis have a pH (lower, greater) than 7.
greater
Hydrogen is common to all _____. ( acids, base)
acids
Solutions of acids can conduct __________ (electricity, elasticity) due to the presence of ions.
electricity
In pure water, the concentration of hydrogen ions and hydroxide ions are _____ (equal, not equal).
equal
Weak acids ________ (partially, completely) ionize in water.
partially
Hydrochloric acid (HCl) is an example of a (strong, weak) acid.
strong
The acid found in vinegar is __________(carbonic, acetic) acid.
acetic acid
As the concentration of H⁺ ions increases, the pH (increases,decreases).
decreases
Give at least one example of strong alkalis.
Sodium Hydroxide (NaOH) and Potassium Hydroxide (KOH)
Ammonia solution is an example of a (weak, strong) alkali.
weak
Weak alkalis have a (lower, greater) concentration of hydroxide ions compared to strong alkalis.
lower
Neutralization is a chemical reaction between an acid and a base that produces w____ and a s___.
water and salt
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