Acids, Bases & Neutralisation

What is the pH of acidic substances?
1-6
8-14
7
What is an alkali?
An acid
A gas
A base that dissolves in water
Select all the properties that apply to ACIDS
Taste sour
Have a low pH
Soapy to touch
Select all the properties that apply to BASES
React with metals
Feel slippery or soapy
Have a high pH
Neutralisation occurs when an...
Acid and water react
Acid and a base react
Acid and salt react
Select the two products of a neutralisation reaction between an acid and a base.
Salt
Hydrogen
Water
Oxygen
What gas is produced when an acid and a carbonate react?
Helium
Carbon Dioxide
Water vapour
Nitrogen
As the acidity of a substance increases, how does the pH change?
PH level decreases
PH level increases
PH level remains the same
What pH level is neutral?
4
9
7
Select the correct chemical equation for: Sodium hydroxide + Hydrochloric acid --> Sodium chloride + water
NaOH + HCl --> NaCl + H2O
C6H8O7 + NaHCO --> CO2 + H20
C3H8+ 02 --> H2O + CO2
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