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Question

Which of the following is the most soluble gas used in MAP

a) Carbon Dioxide b) Nitrogen c) Oxygen d) Argon

A Only A is correct Correct Answer Incorrect Answer
B Only B is correct Correct Answer Incorrect Answer
C Only D is correct Correct Answer Incorrect Answer
D A and B are correct Correct Answer Incorrect Answer
E C and D are correct Correct Answer Incorrect Answer

Solution

Explanation: Carbon Dioxide is the most soluble gas used in MAP. The solubility of CO2 is 3350 mg/kg at 0°C. The solubility of Oxygen, Nitrogen and Argon is 69, 29, 100 mg/kg at 0°C respectively. The solubility of CO2 increases with decreasing temperature. For this reason, the antimicrobial activity of CO2 is markedly greater at temperatures below 10°C than at 15°C or higher.

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