Lab safety rules and microscrope

What instrument is used to see small things like cells?

(a)  

Identify this laboratory safety symbol.

(a)  

Identify the part that is labeled letter E

(a)  

Which of the following has a symbol like letter X

• flammable

• corrosive

• irritant or harmful

• explosive

Identify number 12 on the image shown.

(a)  

What is the use of the fine adjustment knob?

(a)  

What do these equipment have in common?

(a)  

Name the laboratory material shown on the picture.

(a)  

Which part of the microscope holds the objective lenses?

• arm

• revolving nosepiece

• condenser

• stage

There is a proper way to smell a chemical in the laboratory.

• true

• false

• maybe

• i don't know