CO is soluable 100 vol. of water desolving 2.3 vols. of gas at . . . . . . . .°C.
A. 10°
B. 20°
C. 30°
D. 50°
Answer: Option B
A. 10°
B. 20°
C. 30°
D. 50°
Answer: Option B
The mechanical mixture of gases existing in a mine given off after explosion called
A. White damp
B. Stink damp
C. Black damp
D. After damp
A Drager Gas Mask does not filter
A. Water vapour
B. Nitrous fumes
C. Carbon monoxide
D. Carbon dioxide
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