wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Acids and Bases

Total questions: 26

Worksheet time: 26mins

Name
Class
Date
1.
What is the hazard shown in this hazard sign?
a)
Fire
b)
Goku
c)
Flammable
d)
Inflammable
2.
What is the hazard shown in this hazard sign?
a)
Explosive
b)
Corrosive
c)
Irritant
d)
High level Irritant
3.
What is the hazard shown in this hazard sign?
a)
Pikachu
b)
Lightning
c)
Electrical
d)
Fault
4.

What does this symbol stand for?

a)

Flammable

b)

Oxidising

c)

Non-flammable

d)

Explosive

5.

Match the symbol to the correlating hazard


EXPLOSIVES

a)
b)
c)
d)
6.

This lab student is wearing her googles and an apron. But what is she doing wrong?

a)

Pointing the test tube toward her while heating it.

b)

She actually is doing everything correctly.

c)

Her loose hair is too close to the fire.

d)

Not paying attention

7.

What does this hazard symbol mean?

a)

Harmless to trees and fish

b)

Harmful to non living things

c)

Harmful to living things

d)

Harmless to non living things

8.

What does this hazard symbol mean?

a)

flammable

b)

oxidising

c)

hot

d)

explosive

9.

What does this hazard symbol mean?

a)

cross

b)

harmful / irritant

c)

sharp

d)

chemical

10.
a)
Poison/Toxic
b)
Bio Hazard
c)
Radioactive
d)
Corrosive
11.

What does this symbol indicate?

a)

Corrosive substances

b)

Wash your hands.

c)

Wear appropriate gloves.

d)

Bacteria are present.

12.

Which symbol means that a substance is acutely toxic?

a)
b)
c)
d)
13.

We should not taste chemical substances as they are

a)

Corrosive

b)

Harmful

c)

Toxic

14.

It is not safe to touch chemical materials as they are

a)

poisonous

b)

Harmful

c)

Corrosive as they burn or damage skin

d)

Oxidizing

15.

Some chemicals cause skin rash as they are ..........

a)

Poisonous

b)

flammable

c)

Irritant

d)

oxidizing

16.
The pH scale is a range from:
a)
1-7
b)
0-14
c)
1-14
d)
1-20
17.
A(n) ______ is a substance with a pH less than 7
a)
Acid
b)
Alkaline
c)
Base
d)
Buffer
18.
A(n) _______ is a substance with a pH greater than 7.
a)
Base
b)
Acid
c)
Buffer
d)
Water
19.
What is the only substance with a neutral pH of 7?
a)
Milk
b)
Orange Juice
c)
Water
d)
Blood
20.
A solution with a pH of 3.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
21.
A solution with a pH of 8.6 would be...
a)
Acid
b)
Base
c)
Neutral
d)
Acid and Base
22.
Which is most acidic?
a)
Baking Soda
b)
Lemon Juice
c)
Black Coffee
d)
Milk
23.
Tastes Sour
a)
Acids
b)
Bases
c)
Salts
d)
All
24.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
25.
According to the pH range which substance is more acidic than lemon juice
a)
Hydrochloric acid
b)
cabbage
c)
milk
26.
Bleach is a strong base, what is the pH level of bleach?
a)
13
b)
14
c)
1
d)
2