Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Acid and Base

Total questions: 13

Worksheet time: 10mins

Name
Class
Date
1.

in which Acid base indicator is Acid is colourless base is pink

a)

Methyl orange

b)

Litmus paper

c)

Phenolphthalein

d)

Universal indicator

2.

Differentiate between Base and alkaline

a)

Alkaline is corrosive and base is bitter

b)

Alkaline is blue in colour and base is red in colour

c)

Alkaline is soluble and base is insoluble

d)

alkaline is insoluble and base is soluble

3.
What two substance are formed when an acid and alkali react together in equal amounts?
a)
Salt and water
b)
Alkali and water
c)
Acid and water
d)
Acid and alkali
4.
When dissolved in water, acids produce:
a)
bases
b)
salts
c)
 hydrogen (H+) ions
d)
 hydroxide (OH-) ions
5.

Acid in vinegar:

a)

Hydrochloric acid

b)

Sulfuric acid

c)

Acetic acid

d)

Carbonic acid

6.

When dissolved in water, bases produce:

a)

bases

b)

salts

c)

hydrogen (H+) ions

d)

hydroxide (OH-) ions

7.

Which of the following is not the properties of alkalis?

a)

Slipery

b)

Have a pH less than 7

c)

The pH scale of alkalis from 8 - 14

d)

Corrosive

8.
Acids react with
a)
water to produce bases and salts
b)
salts to produce bases and water
c)
neither bases, salts nor water
d)
bases to produce salts and water
9.

What is the [H+] if the pH is 4.0?

a)

1.0 x 10-10 M

b)

1.0 x 10-4 M

c)

1.0 x 10-14 M

d)

1.0 x 10-7 M

10.
What is the pOH of a solution that has a pH of 2?
a)
10
b)
12
c)
14
d)
1
11.

What is a titration?

a)

when the moles of hydrogen ions is equal to the moles of hydroxide ions

b)

adding a known amount of solution of known concentration to determine the concentration of an unknown

c)

reaction in which an acid and a base react in an aqueous solution to produce a salt and water

d)

the extent of ionization of an acid or base

12.
Human blood has a pH between 7.35 and 7.45. Which of the following best describes human blood?
a)
strongly acidic
b)
slightly acidic
c)
strongly basic
d)
slightly basic
13.

In a water solution, how do acids differ from bases?

a)

Acids form salts, but bases do not

b)

Acids turn litmus blue, while bases turn litmus red

c)

Acids form hydrogen ions (H+), while bases form hydroxide ions (OH-)

d)

Bases form salts, but acids do not