The process of escaping of molecules from the surface of a liquid at any temperature is called ……………………..
A) evaporation
B) condensation
C) boiling
D) melting
1 Answers
Talk Doctor Online in Bissoy App
Fill in the blanks The temperature at which a liquid convert to gaseous state is called ________ of a liquid.
Correct Answer - boiling point
2 Answers 1 views
The phase change from liquid to gas that occurs at the surface of liquid at any temperature is called..........
D) evaporation
2 Answers 1 views
If the surface of the liquid exposed to air the evaporation process takes place up to ………………….
A) full quantity of liquid evaporates
2 Answers 1 views
If the surface of the liquid exposed to air the evaporation process takes place up to ………………….
2 Answers
1 views
The process in which solid phase changes to liquid phase at a constant temperature is called
Correct option is B) melting
2 Answers 1 views
the process of re-emission of absorbed light in all directions with different intensities by atoms or molecules is called………………..
A) scattering of light
2 Answers 1 views
If the revolving of earth stops, its path of escaping is
A) along the direction of velocity vector
2 Answers 1 views
An object floats on the surface of a liquid when A) the density of the object is more than the density of liquid
B) the density of the object is less than the density of the liquid
2 Answers 1 views
Surface tension is exhibited by liquids due to force of attraction between molecules of the liquid.
Given, Lv = 540\(\frac{kcal}{Kg}\) = 540 × 103 × 4.2 J/Kg (a) Such that, 1kg of water requires energy for evaporation = Lv k cal ∴ MA kg of water requires MALvk cal Since there...
2 Answers 1 views
Assertion (A): The temperature at which vapour pressure of a liquid is equal to the external pressure is called boiling temperature.
(iii) A is true but R is false.
2 Answers 1 views