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level: Acids and bases

Questions and Answers List

level questions: Acids and bases

Question	Answer
A substance that releases hydrogen ions (H+). An example of this is the hydrochloric (Hydrogen and chloride) acid in your stomach .	Acid
Corrosive (Can burn) Sour taste (An example of this is vinegar) Turn blue litums paper red Can react with some metals by releasing hydrogen gas and leaving behind gas. Conduct electricity Can be neutralised by bases, this means acid can be made 'safe' by converting it into water and salt.	Describe the characteristics of acids.
Examples can be: Nitric acid (HN03) Sulfuric acid (H2SO4) Hydrochloric acid (HCI) Ethanoic acid (CH3COOH)	Give at least four examples of acids.
The strength of an acid depends on how many hydrogen ions are released. An acid is considered strong if most of its molecules release hydrogen ions into a solution.	What does the strength of an acid depend on?
A base is a subtance that releases Hydroxide ions (HO-). (*Note Hydroxide is a polyatomic formula, which contains a negativly charged hydrogen atom meaning it's become an anion after it gained electrons.)	Bases
An akali is what a base is called after it becomes dissolvable in water.	Akali
Corrosive (They can burn) Feel soapy or slimy (An example of this is soap) Turn red litums paper blue, opposite to acids Bitter taste Conduct electricity Are neutarlised by acids, after producing water and salt	Describe at least five characteristics of bases.
The strength of a base depends on the amount of Hydroxide ions (HO-) it can produce.	What does the strength of a base depend on?
The concentration and amount of Hydrogen (H+) atoms within a solution.	Ph
Any solution with a pH value between zero to seven is considered acidic, whereas a pH value between seven to fourteen is a base.	Explain the difference between an acidic and base solution within a pH level chart?