Acids And Bases Flashcards
(24 cards)
What happens when metal oxides dissolve in water?
Alkalis are formed
What is it called when an acid reacts with a base?
A neutralisation reaction
What is the product of neutralisation?
A salt an water
What are spectator ions?
Ions that have not been used in the reaction
Do alkalis and acids conduct electricity?
Yes, they are both ionic
What is the ion common to all acids?
Hydrogen ion
What is the ion common to alkalis?
Hydroxide ion
What does water contain?
Equal amounts of hydrogen and hydroxide ions
Does water conduct electricity?
No, because there are so few ions
What happens when you dilute an acid or alkali?
It decreases the concentration
What happens when ammonia reacts with water?
An alkali is formed
What compounds react to produce acid rain?
Sulfur dioxide and water
What is a by- product of burning fossil fuels?
Carbon dioxide
What is a base?
A metal oxide, metal carbonate or metal hydroxide
What happens if a base is insoluble?
An indicator is not required
What can acid rain damage?
Buildings, crops, plant life and animals
What acids are used in the home?
Vinegar, lemon juice and fizzy juice
What acids are used in the lab?
Hydrochloric, sulphuric and nitric acid
What alkalis are used in the home?
Bleach, baking soda and toothpaste
What alkalis are used in the lab?
Ammonia, lime water and sodium hydroxide
Why do drinks with a lower PH cause tooth decay?
They are more acidic
Why are CO2 levels rising?
Because of the increased use of cement when building homes
What is causing increased production of SO2 and NOX?
Environmental issues such as acid rain, global warming and lakes and rivers becoming more acidic
What happens when non metal oxides dissolve in water?
Acids are formed
