Name:
Physics Class work
Date:
1 Use the words on the right to fill in the gaps.
a Some acids, like vinegar and
b Bases are the
corrosive
, taste
.
of acids.
opposites
c Bases that dissolve in water are called
.
d Water is
sour
. This means it is neither an acid nor an
lemon juice
alkali.
e Something that is different colours in an acid and an alkali is
called an
neutral
.
indicator
alkalis
2 Match the word to its hazard symbol. Then match the hazard symbol to its meaning.
Can make my skin red or
blistered.
corrosive
irritant
Can make me ill if I swallow
it, breathe it in or get it on
my skin.
harmful
Eats away skin and metal
and other materials.