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WorksheetsAcids and Alkali
Total questions: 15
Worksheet time: 8mins
The image shows a PH scale. Which option indicates strong alkali?
a
b
c
d
The pH scale is a range from:
1-7
0-14
1-20
Alkalis feel...
Rough
Soapy
Granulated
Smooth
What does this warning symbol mean?
Toxic
Corrosive
Flammable
Irritant
What does this warning symbol mean?
Toxic
Corrosive
Flammable
Irritant
What can turmeric and red cabbage be used for?
To look pretty
As an indicator
As a test for an acid
As a test for acid rain
An alkali can neutralize an acid
False
True
Complete the word equation below:
Acid + alkali --> ............... + water
water
salt
gold
metal
What type of reaction occurs when you react an acid with an alkali?
combustion
decomposition
no reaction
neutralisation
Toothpaste contain .................. that neutralize acid formed by bacteria.
alkali
acid
antacid
slaked lime
Bee sting contain ............................ and can be neutralize using bicarbonate soda.
alkali
acid
vinegar
soda
Excess acids in stomach can be neutralized using ............
antacid
vinegar
slaked lime
hydrochloric acid
..................................... is used to treat water to reduce the acidity of water.
alkali
slaked lime
antacid
vinegar
We should not taste chemical substances as they are
Corrosive
Harmful
Toxic
