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WorksheetsGrade 6 - Acids and alkalis
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following substances contain acid?
a)
An orange
b)
Bleach
c)
Distilled water
d)
Washing powder
2.
Which of the following substances contain an alkali?
a)
Baking powder
b)
Coca cola
c)
Distilled water
d)
Vinegar
3.
What is the hazard shown in this hazard sign?
a)
Explosive
b)
Corrosive
c)
Irritant
d)
High level Irritant
4.
Strong acids and strong alkalis are.......
a)
Able to turn blue litmus paper red
b)
Corrosive
c)
Sour
d)
Sweet
5.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
6.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
7.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
8.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
9.
Which substance is alkali?
a)
Toothpaste
b)
Vinegar
c)
Lemon juice
d)
Soft drink
10.
Which substance is avid?
a)
Toothpaste
b)
Vinegar
c)
Soap
d)
Ammonia
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