Which of the following has a triple bond as well as single bonds ?

64 The molecules having triple bond in them are: 65 One of the following contains a double bond as well as single bonds. This is: 67 Two non-metals combine with each other by the sharing of electrons to form a compound X. (a) What type of chemical bond is present in X? 67 State whether X will have a high melting point or low melting point.