What does this hazard symbol mean?
Corrosive
Irritant
Harmful
Which of these acids is most likely to be dangerous?
Citric acid
Carbonic acid
Hydrochloric acid
Which statement about bases is true?
They are all alkalis
They can neutralise acids
They are all soluble
Which statement about alkalis is true?
They are all bases
They cannot neutralise acids
They are all insoluble
What name is given to a hazardous substance that can burn through skin and other substances?
Toxic
Which of these is not a base?
Copper oxide
Sodium hydroxide
Sulfur dioxide
What sort of substance is found in many medicines to cure indigestion?
A salt
An acid
A base
What name is given to a reaction in which an acid and base react with each other?
Neutralisation
Combustion
Displacement
Which is a source of naturally occurring acids?
Lemon
Potato
Grass
What sort of chemical is found in many household cleaning products, like bleach and oven cleaner?
Acid
Alkalis
Salts