Acids & Bases
What are they?
Acids & Bases
An acid is any substance that releases H+ ions in water.
Acids & Bases
An acid is any substance that releases H+ ions in water.
The more H+ that is released, the stronger the acid.
Acids & Bases
Common examples include:HCl------------Hydrochloric Acid
Acids & Bases
Common examples include:HCl------------Hydrochloric AcidH2SO4 --------Sulfuric Acid
Acids & Bases
Common examples include:HCl------------Hydrochloric AcidH2SO4 --------Sulfuric Acid
HNO3 ---------Nitric Acid
Acids & Bases
Common examples include:HCl------------Hydrochloric AcidH2SO4 --------Sulfuric Acid
HNO3 ---------Nitric Acid
CH3COOH----Acetic Acid (Vinegar)
Acids & Bases
A base is any substance that releases OH- ions in water.
The more OH- that is released, the stronger the base.
Acids & Bases
Common examples include:KOH------------------------Potassium Hydroxide
Acids & Bases
Common examples include:KOH------------------------Potassium Hydroxide NaOH----------------------Sodium Hydroxide
Acids & Bases
Acids Bases
Acids & Bases
Acids Bases
Acids & Bases
The pH scale is used to measure the strength of an acid or a base.
Acids & Bases
The pH scale is used to measure the strength of an acid or a base.
It is a scale that goes from 0to 14.
Acids & Bases
The pH scale is used to measure the strength of an acid or a base.
It is a scale that goes from 0to 14.0 is a strong acid and 14 a strong base.
Acids & Bases
Acid Base indicators help to determine if a liquid is an acid or a base.
Acids & Bases
Litmus paper :
Red to blue is a base
Acids & Bases
Litmus paper :
Red to Blue is a base
Blue to Red is an acid
Acids & Bases
pH indicator paper gives the pH of the solution.
Acids & Bases
Phenolphthalein : Turns pink at a pH
above 7
Acids & Bases
Neutralization reaction occurs when an acid is mixed with a base. The products are a salt and water.
Acid + Base Salt + Water
HCl + NaOH NaCl + H2 O