Which colorless substance is a gas at 60 degrees celsius?

Answer;

-Neon

Neon is a colorless gas at 60 degrees celsius.

Explanation;

-Neon is a light, very inert gas. Colorless under normal conditions, it glows a reddish-orange in a vacuum discharge tube.

-It is a non-metallic, very inert gas with an atomic number of ten. This member of the noble gas classification glows reddish orange in a vacuum tube. It is a gas at 60 degrees Celsius.

im not exactly sure but i think its b!

the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.