Acids
Acids have a pH higher or lower than 7?
Lower
Bases are also called _
Alkalis
The name of the salt is a combination of the _ and the _
Metal and acid
A metal reacts with oxygen to create an _
Metal oxide
Calcium + oxygen
Calcium oxode
Acids usually taste _.
Sour
Bases have a pH above or below 7.
Above
Sodium oxide + nitric acid
Sodium nitrate + water
A metal reacts with water and creates a _
Metal hydroxide and H2
Magnesium + water
Magnesium hydroxide + H2
Acids break down into _ ions when dissolved in water.
Hydrogen
Bases break down into _ ions when dissolved in water.
Hydroxide (OH-)
Potassium hydroxide + sulfuric acid
Potassium sulfate + water
Metal carbonates react with acid to create a _
Salt, water and CO2
Iron hydroxide + hydrochloric acid
Iron chloride + water
Which is an acid:
HCl, H3PO4, H2SO4, HNO3
All of these are acids
Which metal reactions act as bases?
Hydroxides, Oxides, and Carbonates
Lithium hydroxide + hydrochloric acid
Lithium chloride + water
Lithium carbonate + hydrochloric acid
Lithium sulfate + water + CO2
Sodium carbonate + sulfuric acid
Sodium sulfate + water + CO2
Sulfuric acid makes _ salts.
Nitric acid makes _
Hydrochloric acid makes _
Sulfate, Nitrate salts, Chloride salts
Acids react with bases to create a _ and _
Salt and Water
Argon hydroxide + sulfate
Not a neutralisation reaction
Which is not a metal?
Na, Li, C, B
Carbon
Why does a neutralisation reaction create water?
The breakdown of H+ and OH- ions in acids and bases