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WorksheetsATS KS3 C4: Acids and Alkalis
Total questions: 15
Worksheet time: 9mins
Vomit, vinegar and lemon juice are all examples of...
acids
alkalis
neutral solutions
What does this hazard symbol mean?
toxic
flammable
corrosive
explosive
A concentrated acid has _________ particles of acid per litre of water than a dilute acid
the same number of
more
less
What is used to tell if a substance is acid, alkaline or neutral?
a thermometer
a balance
an indicator
paper
Which litmus paper would you use to tell if a substance is acidic?
red
blue
What is the pH of a neutral solution?
1
14
5
7
What type of reaction occurs when you react an acid with an alkali?
combustion
decomposition
no reaction
neutralisation
What is the name for a soluble base?
acid
alkali
neutral solution
Something that can dissolve in water is said to be...
insoluble
soluble
HCl, HNO3 and H2SO4 are all acids. What element do all acids contain?
oxygen
hydrogen
nitrogen
sulfur
Acids can react with metals or with bases to make what?
salts
water
hydrogen
oxygen
Acid + Metal --> Salt + ?
water
oxygen
hydrogen
carbon dioxide
Acid + Base --> Salt + ?
water
hydrogen
oxygen
carbon dioxide
How would you remove an insoluble solid from a liquid?
distillation
chromatography
filtration
evaporation
What pH range would you get for an acid?
0-6
7
7-14
2-10
