You are given the following substances with their boiling and melting points.

Point out the physical states of A, B and C at room temperature (30°C).

Which of the following statement is correct?

Match the column (I) (hypothesis) with column (II) (evidence that supports it)

Among the following, which one is the false statement?

Effect of change of temperature on the physical state many be represented as

What is X, Y and Z?