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The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure is

  • A.Dalton's law
  • B.Gay lussac's law
  • C.Henry's law
  • D.Raoult's law

Answer: C

This is Henry's law.

\[p = K_H\, x\] where \(x\) is the mole fraction of the dissolved gas and \(p\) its partial pressure above the liquid. It explains why a fizzy drink releases gas when opened, and why divers ascending too quickly suffer decompression sickness as dissolved nitrogen comes out of the blood.

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