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chemistry safety

Total questions: 12

Worksheet time: 9mins

Name
Class
Date
1.

When you finish working with chemicals, biological specimens, etc., always

a)

treat your hands with skin lotion.

b)

wash your hands thoroughly with soap and water.

c)

wipe your hands on a towel.

d)

wipe your hands on your clothes.

2.

Hot glass looks the same as cold glass.

a)

True

b)

False

3.
When handling hot glassware
a)
use gloves or tongs
b)
use hands
c)
you can tell it is hot by looking
d)
use ice
4.
What is the Metric base unit used when measuring with a graduated cylinder?
a)
Meter
b)
Liter
c)
degrees Celcius
d)
Gram
5.
True/False
In a lab, you are responsible for only your safety.
a)
True
b)
False
6.
What is this safety symbol?
a)
Radioactivity
b)
Biological
c)
Irritant
d)
Toxic
7.
What does this symbol indicate?
a)
Organisms or other biological materials that might be harmful to humans.
b)
material that is radioactive in nature
c)
substance may be poisonous if touched, swallowed, or inhaled.
d)
special disposal procedures must be followed
8.

Which safety hazard does this symbol indicate?

a)

Corrosiveness

b)

Flammability

c)

Radioactivity

9.

The symbol that indicates a corrosive substance:

a)
b)
c)
10.

Broken glassware should be placed in the:

a)

sink

b)

garbage can

c)

broken glass container

d)

lab drawer

11.

“Kibrit, çakmak, ocak, açıkta duran kablolar ve elektrik prizleri ………neden olabilir. Bunlardan kaynaklanan kazalar …… sonuçlar doğurabilir. Bu nedenle bunlarla oynamamalıyız.”

Yukarıdaki paragrafta noktalı yerlere gelmesi gereken kelimeler hangi şıkta doğru verilmiştir?

a)

israfa- yaralanma

b)

yangın- olumlu

c)

Kazalara-ölümcül

12.

Evinizde doğalgaz kaçağı olduğunu hissettiğinizde aşağıdakilerden hangilerini yapmanız doğru olur?

I. Pencereyi açıp evi havalandırmak.

II. ALO 187’yi aramak.

III. Ocağı yakmak.

IV. Komşuya haber vermek.

V. Lambayı yakmak.

a)

I-II-IV

b)

I-II-V

c)

III.-IV-V