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WorksheetsRevisions AA+LS
Total questions: 20
Worksheet time: 10mins
what does sulfuric acid + copper oxide make?
copper sulfide
sulfuric copper
copper sulfate
copper sulfur
what colour is an acid?
purple
green
blue
red
what colour is an alkali?
purple
green
red
orange
what is the definition of neutralisation?
A chemical reaction where an acid and alkali react together and cancel each other creating a neutral solution
A chemical where an acid and water have reacted together creating a neutral solution
A chemical where an alkali and water have reacted together creating a neutral solution
What is the chemical formula for water?
H2O
CO2
NaCl
CH4
what happens when an acid and alkali react?
makes a
salt+ water
makes a salt only
doesn't make anything
what pH would you expect hydrochloric acid to be?
9-12
3-6
1-3
6-9
How can we measure the pH of a solution?
A ruler
An indicator
Hydrochloric acid
Using an alkali
What does pH measure?
The volume of substance
How many molecules are present
The acidity or alkalinity of a solution
What should yo always do before starting a practical?
Took your chair under
Wear goggles
Tie hair back
All of the above
A pH of 7 indicates
Weak Alkali
Strong acid
Neutral solution
Weak acid
What is the role of an indicator?
To detect what is in a solution by changing colour
To detect how acidic or alkaline a solution is by changing colour
To detect how acidic or alkaline a solution is by changing state
To detect what is in a solution by getting hotter
what is this piece of equipment?
Evaporating Basin
Beaker
Jug
Evaporation Dish
What does this symbol mean?
Flammable
Corrosive
Toxic
What does this symbol mean?
Corrosive
Flammable
Toxic
What colour is a safety flame on a Bunsen Burner
Blue
orange
Green
Pink
What area of the Bunsen Burner is this ?
B
D
E
C
What piece of equipment
Heatproof mat
Bunsen Burner
Tripod
Gauze
What is a hazard?
Something that can cause risk
Something that can cause harm
An acidic solution has a pH of 10. True or false
False
True
