Worksheetsproperties of acids and bases
Total questions: 24
Worksheet time: 26mins
substance that is 3 on the pH scale is a(n)...
acid
base
neutral
which of the following is an example of a base?
orange juice
dish soap
vinegar
lemons
substance which changes colour when mixed with an acid or base is a(n) ...
indicator
neutralizer
corrosive
electricity
acids are...
bitter
slippery
corrosive
weak
what colour does litmus paper turn when in contact with an acid?
blue
black
green
red
bases are located where on the pH scale?
any number is a base
below 7
above 7
number 7 is a base
substance that is a 10 on the pH scale is a(n)...
acid
neutral
base
indicator
which one is the correct set of acid properties?
sour taste, corrosive, change litmus from red to blue
sour taste, corrosive, change litmus from blue to red
sweet taste, slippery, change litmus from blue to red
sour taste, slippery, change litmus from blue to red
Which of the following statements is true concerning acids and bases?
acids and bases don't react with each other
acids mixed with bases neutralize each other
acids mixed with bases make stronger bases
acids mixed with bases make stronger acids
True or false: bases are sometimes called alkaline.
True
False
When acids react with metals, they produce hydrogen gas and salt.
True
False
Which of the following is an acid?
vinegar
bleach
sugar in water
starch in water
toothpaste in water
typical base?
vinegar
car battery
lemon juice
bleach
typical acid?
car battery
vinegar
bleach
blood
what safety precautions should you take when using an acid?
gloves and glasses
long clothes and goggles
wear gloves, goggles and long clothes
shoes, goggles and small gloves
uses of acids
eating
cleaning
washing
licking
if you spill an acid. what should you do?
tell a teacher
dilute with water and baking soda
don’t clean up right away
all of the above
what safety precautions should you take when using bases?
cover bare skin and eyes with glasses
it doesn’t matter
uses of bases
eating
cleaning and helping to manufacture paper
showering
if you spill a base. what should you do?
scream
mop up
neutralised with boric acid and clean with paper towel
cry
