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10 Cards in this Set
- Front
- Back
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what is an acid?
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a species that is a h+ (proton) donor
(they will normally accept just 'H+ donor' but if its 2 marks, put species) |
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what is a base?
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a species which is a H+ (proton) acceptor
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why do acids release H+ ions?
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because acids contain Hydrogen, so when added to water, the acids release the hydrogen as H+ ions (protons)
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name the 3 common acids
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HCl - hydrochloric acid (also found in the stomach)
H2SO4 - sulphuric acid (also used as battery acid in cars) HNO3 - nitric acid |
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name the 5 common bases
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MgO - magnesium oxide
CuO - calcium oxide NaOH - sodium hydroxide Mg(OH)2 - magnesium hydroxide NH3 - ammonia |
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what are Mg(OH)2 and CA(OH)2 also used for in everyday life?
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Mg(OH)2 is used to treat acid indigestion,
and Ca(OH)2 is lime used for treating acidic soils (could come in handy in an exam question) |
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what is an alkali?
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its a type base which dissolves in water forming hydroxide ions (releasing them) OH-
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name the 3 common alkalis
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sodium hydroxide: NaOH
potassium hydroxide: KOH ammonia: NH3 |
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what can NaOH also be used for?
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used as oven cleaners and paint strippers
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why is ammonia known as a weak base?
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because its a gas which dissolves in water to form a weak alkaline solution.
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