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Gases Set 4

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#1. The order of the rate of diffusion of gases NH3, SO2, Cl2 and CO2 is:

#2. Pressure remaining constant at which temperature the volume of gas will become twice of what it is at 0C.

#3. Equal masses of methane and oxygen are mixed in an empty container at 25oC. The fraction of the total pressure exerted by the oxygen is:

#4. Which of the following of will have the same number of molecules at STP?

#5. Number of molecules in one dm3 of water is close to:

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