Which of the following phenomena would increase on raising the temperature? - Evaporation, diffusion, expansion of gases
Ram visited a Natural Gas Compressing unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing his experience with friends she got confused. Help her to identify the correct set of conditions. - Low temperature, high pressure
The property of flow is unique to fluids. Which one of the following statements is correct? - Gases and liquids behave like fluids
During summer, water kept in an earthen pot becomes cool because of the phenomenon of - evaporation
A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement? - Oxygen, water, sugar
On converting 25°C, 38°C and 66°C to Kevlin scale, the correct sequence of temperature will be - 298 K, 311 K and 339 K
Choose the correct statement from the following: - Conversion of vapour into solid without passing through the liquid state is called sublimation.
Which condition out of the following will increase the evaporation of water? - Increase in temperature of water
Which of the following has the strongest interparticle forces at room temperature? - Iron
Dry ice is - CO2 in solid state
CO2 can be easily liquified and even solidified because - It has weak forces of attraction
Which of the following has highest kinetic energy? - Particles of steam at 100 °C
Bose-Einstein Condensate have - Very low kinetic energy
Which of the following is incorrect about plasma? - The plasma glows with color which does not depend upon nature of gas
The colour of vapours formed on sublimation of iodine solid is - Purple (violet)
Under which of the following conditions we can boil water at room temperature? - At low pressure
Which of the following does not affect rate of evaporation? - Insoluble heavy impurities
Kinetic energy of molecules is directly proportional to - Temperature
Which is not a common characteristic property of matter? - The molecules are rigid and have fixed positions
Which of the following gases can be liquefied when pressure is applied at room temperature? - Ammonia
In which of the following substances the molecules possess maximum kinetic energy under normal conditions? - Ammonium Chloride
When common salt is added to water, its boiling point increases by 20℃. What would be the boiling point of that salt water in Kelvin scale? - 393 K
Identify the water temperature which gets cooled at the maximum rate? - Water at 100℃
Which substance has the most ordered arrangement of molecules under normal conditions? - Gold
Gases do not have __________. - high density
A solid is subjected to heating. The molecules formed were immediately diffused into air. It concludes that - the solid is a sublimable substance.
When heat is constantly supplied by a gas burner with small flame to melt ice, then the temperature of ice during melting: - Does not increase at all
If we keep a cold drink bottle in the freezer, what will happen? - Cold drink bottle will break
Which of the following is not a characteristic of matter? - There is no space between particles of matter
Condensation process is - Change of state from gas to liquid
