carbon dioxide gas does not burn. for this reason,it is effective in putting out fires. which additional fact(s) would enable you to conclude that a fire extinguisher containing carbon dioxide is an excellent household safety device?
A. water can cause on oil fire to spread and can increase the toxic fumes of an electrical fire
B. carbon dioxide gas dissolves in water,forming a small amount of carbonic acid,which is useful as a preservative.
C. carbon dioxide gas is not harmful to humans
D. pressurized carbon dioxide cools when it flows through the opening of its container and will quickly reduce the temperature of anything it touches.
1 .A and C
2. B and D
3. C and D
4. A,B, and C
5. A,C,and D
2007-06-02 08:10:43 · 4 answers · asked by janely 1 in Science & Mathematics ➔ Chemistry
A & C
2007-06-02 08:19:10 · answer #1 · answered by Pengy 7 · 0⤊ 0⤋
1. A & C
2007-06-02 15:26:03 · answer #2 · answered by synapticeclipse 2 · 0⤊ 0⤋
A, C and D. The CO2 comes out of one of these things extremely cold!
Think of the fire triangle - fuel, heat and oxygen are all required for a fire.
2007-06-02 15:37:10 · answer #3 · answered by Gervald F 7 · 0⤊ 0⤋
A is correct... this eliminates 2,3
C is also correct, leaving you with 1.
I would answer 1, but dont trust me completely.
2007-06-02 15:35:43 · answer #4 · answered by Anonymous · 0⤊ 0⤋