$Assertion :$ When a bottle of cold carbonated drink is opened, a slight fog forms around the opening.
$Reason :$ Adiabatic expansion of the gas causes lowering of temperature and condensation of water vapours.
$Reason :$ Adiabatic expansion of the gas causes lowering of temperature and condensation of water vapours.
AIIMS 2003, Easy
Download our app for free and get started
In cold carbonated drink, gas is dissolved under pressure, when pressure is released expansion of gas occurs due to which gas cools down and temperature falls. Condensation of water vapour occurs
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionWhich of the following statements is correct for any thermodynamic system
- 2View SolutionWhich is incorrect
- 3Let $\eta_{1}$ is the efficiency of an engine at $T _{1}=447^{\circ}\,C$ and $T _{2}=147^{\circ}\,C$ while $\eta_{2}$ is the efficiency at $T _{1}=947^{\circ}\,C$ and $T _{2}=47^{\circ}\,C$. The ratio $\frac{\eta_{1}}{\eta_{2}}$ will be.View Solution
- 4$N _{2}$ gas is heated from $300\, K$ temperature to $600\, K$ through an isobaric process. Then find the change in entropy of the gas. $( n =1 mole )$ (in $J/K$)View Solution
- 5Agas expands such that its initial and final temperature are equal. Also, the process followed by the gas traces a straight line on the $P-V$ diagram :View Solution
- 6In the reported figure, heat energy absorbed by a system in going through a cyclic process is $......\,\pi J$View Solution
- 7$\Delta U + \Delta W = 0$ is valid forView Solution
- 8In a thermodynamic process two moles of a monatomic ideal gas obeys $P \propto V^{-2}$. If temperature of the gas increases from $300 \,K$ to $400 \,K$, then find work done by the gas .........$R$ (where $R=$ universal gas constant).View Solution
- 9The $P-V$ diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from $A → B → C$ is $50 J$ and $ 20\, cal$ heat is given to the system. The change in internal energy between $A$ and $C$ is ...... $J$View Solution
- 10One mole of a perfect gas in a cylinder fitted with a piston has a pressure $P,$ volume $V$ and temperature $T.$ If the temperature is increased by $1 \,K$ keeping pressure constant, the increase in volume isView Solution