[A_B]

Laboratory Safety Emergency Stations include:
a) eye wash fountain b) safety showers
c) fire extinguishers d) all the above

) The chemical reaction is the fourth element of the:
a) fire triangle
b) fire tetrahedron c) fire extniguisher d) fire alarm


The carbon dioxide fire extinguisher filled with:
a) water
b) nitrogen dioxide c) dry chemicals
d) none of the above

The dry chemicals fire extinguisher filled with:
a) water
b) carbon dioxide
c) wet chemicals
d) none of the above

If refrigeration is needed inside a flammable-storage room, you should use an ------------refrigerator.
a) reactive-proof b) flammable-proof
c) explosion-proof d) non-of the above