An increase in the pressure of a gas results in a decrease in its? by Sunday | Aug 21 | Chemistry WAEC | 0 comments A. mass B. vapour density C. volume D. temperature E. concentration Correct Answer: Option C – volume Users Also Read These:The volume of an ideal gas at a pressure of 77cmHg…A decrease in the demand for a product X resulted in…A gas has a volume of 546cm³ at O°C. What is the…In a fixed volume of a gas, an increase in…The initial volume and pressure of a given mass of…