21. The freezing point of water in Fahrenheit scale is __________.
22. Boiling point of water is __________ °K.
23. SI unit for measurement of pressure is __________.
24. The value of gas law constant R = __________ dm3 atm/°K/mole.
25. The absolute Zero is equal to __________.
26. If P is plotted against 1/V at constant temperature a __________ is obtained.
27. Gases __________ in heating.
28. The pressure of air __________ at higher altitude.
29. Standard temperature means __________.
30. Standard pressure means __________.
31. Cooling is caused by __________ of gases.
32. Rate of diffusion of O2 is __________ times more than H2.
33. H2O has __________ viscosity than CH3OH.
34. Mercury does not wet the glass surface due to its higher __________.
35. Surface tension of mercury is __________ than water.
36. Viscosity can be easily measured by an instrument called __________.
37. The pressure exerted by the vapours when these vapours are in equilibrium with the liquid is called __________.
38. Vapour pressure __________ at high temperature.
39. Boyle’s Law and Charles Law can be combined into the mathematical expression __________.
40. Equal volumes of all gases at the same temperature and pressure contain __________ number of molecules.
22. Boiling point of water is __________ °K.
23. SI unit for measurement of pressure is __________.
24. The value of gas law constant R = __________ dm3 atm/°K/mole.
25. The absolute Zero is equal to __________.
26. If P is plotted against 1/V at constant temperature a __________ is obtained.
27. Gases __________ in heating.
28. The pressure of air __________ at higher altitude.
29. Standard temperature means __________.
30. Standard pressure means __________.
31. Cooling is caused by __________ of gases.
32. Rate of diffusion of O2 is __________ times more than H2.
33. H2O has __________ viscosity than CH3OH.
34. Mercury does not wet the glass surface due to its higher __________.
35. Surface tension of mercury is __________ than water.
36. Viscosity can be easily measured by an instrument called __________.
37. The pressure exerted by the vapours when these vapours are in equilibrium with the liquid is called __________.
38. Vapour pressure __________ at high temperature.
39. Boyle’s Law and Charles Law can be combined into the mathematical expression __________.
40. Equal volumes of all gases at the same temperature and pressure contain __________ number of molecules.
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