Sunday, July 9, 2017

2.38: Know that Metal Oxides, Metal Hydroxides and Ammonia can Act as Bases, and that Alkalis are Bases that are Soluble in Water



ALKALI: Bases that are soluble in Water and dissolves to form Hydroxide ions (OH-)



                                Diagram showing the pH of Bases (Alkali)

Example: Metal Oxides
s
Metal Oxides can act as a Base and is soluble in Water


Metal Oxide    +    Acid   →    Salt    +    Water
s
s

Example: Metal Hydroxides
s
Metal Hydroxides can act as a base and is soluble in Water


Metal Hydroxide    +    Acid   →    Salt    +    Water
s
s
Example: Ammonia
s
Ammonia can act as a base and is soluble in Water

Ammonia    +    Acid   →    Salt    +    Water

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