Identify the properties of a covalent substance (multiple answers ) A) high melting point

B) low melting point

C) soluble in water

D) soluble in alcohol

E) conducts electricity in water
does not conduct electricity in water

A) high melting point

C) soluble in water

D) soluble in alcohol

E) does not conduct electricity in water

these options are a bit vague as some covalent substances dissolve in water / alcohol while some don't

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

what are the statements