Question

Consider the following statements:
*Steam can be converted into liquid water just by cooling at atmospheric pressure
*Oxygen gas can be converted into liquid oxygen by cooling at room temperature
*Nitrogen gas can be converted into liquid nitrogen by cooling and applying
pressure
*. Ice melts to give liquid water at room temperature and one atmospheric pressure
Which of the above statements is/are correct?
a) Only l is correct
b) Only I and II are correct
c) Only I and III are correct
d) Only I, III and IV are correct​

Answer 1

Answer:

Option d)Only l,lol and lV are correct.

Explanation:

Option ll is incorrect bcz oxygen gas can be converted into liquid oxygen by cooling and applying pressure not at room temperature.

Answer 2

Answer:

d) Only I, III and IV are correct​

Explanation:

The process of turning water into steam is commonly called "boiling". In this case, the gas state is just above the liquid state, close to 100% water. Another term for evaporation is when the gaseous state above the liquid is primarily other than water vapor.

Nitrogen is produced in large quantities in gaseous and liquid form through cryogenic distillation. A small amount may be produced as a gas by pressure swing adsorption (PSA) or diffusion separation processes (through specially designed membranes). Cryogenic processes can produce very pure nitrogen. Nitrogen produced in refrigeration facilities is transported in liquid form and transported in specially insulated tank trucks suitable for controlling liquid nitrogen refrigeration temperature.

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liquid nitrogen is used as a commercial refrigerant to flash freeze foods . nitrogen boils at -196°c. what is this temperature on the kelvin temperature scale ? ​

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