Question

the above graph indicates the cooling of a substance x from its gasous state to solid state starts then which of the option is correct​

Answer 1

Answer:

a) The mass per unit volume of substance ‘A’ is more at point ‘A’ when compared with point "c

b) Substance ‘’ have more number of free surfaces at point E when compared ‘X' at point C.

c) Substance ‘X' have more number of free surfaces at point B when compared 'X' at point D.

d) All the above are correct