The gas law states, the volume of given mass of gas is directly proportional to its absolute temperature when pressure is constant.
A. Boyle's law
B. Charle's law
C. Graham's law
D. Ohm's law
Answer: Option B
A. Boyle's law
B. Charle's law
C. Graham's law
D. Ohm's law
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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