WorksheetsAcid, Bases and salts
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Pure water has a pH of 7. Pure water _______.
a)
is a base
b)
is a neutral substance
c)
could be either an acid or a base
d)
is an acid
2.
What pH range would you get for an acid?
a)
0-6
b)
7
c)
7-14
d)
2-10
3.
Alkalis feel...
a)
Rough
b)
Granulated
c)
Soapy
d)
Smooth
4.
Which pH level indicates a strong alkali?
a)
1-3
b)
4-6
c)
8-11
d)
12-14
5.
Acid in vinegar:
a)
Hydrochloric acid
b)
Sulfuric acid
c)
Acetic acid
d)
Carbonic acid
6.
Salt water did not react with the Red or Blue litmus paper. This must mean
a)
Salt water is a Base
b)
Salt water is an Acid
c)
Salt water is neutral
d)
Salt water is charged
7.
Which of the following is a base?
a)
orange juice
b)
water
c)
vinegar
d)
dishwashing detergent
8.
Identify the acid present in tamarind.
a)
Tannic acid
b)
Lactic acid
c)
Tartaric acid
d)
Citric acid
9.
Evidence of a chemical reactions is anything that shows -
a)
a new substance has formed
b)
a solid dissolved in a liquid
c)
interaction between 2 gases
d)
a change in the state of matter
10.
Which is NOT an indication of a chemical change?
a)
temperature change
b)
formation of a precipitate
c)
shape change
d)
production of light
100 %
