Which of the following statements are true? Check all that apply.

☐ Molecules that exhibit a liquid crystalline phase do so at well-defined temperatures and pressures.

☐ Molecules can exhibit more than one liquid crystalline phase.

☐ Molecules that exhibit a liquid crystalline phase show weaker-than-expected intermolecular forces.

☐ Molecules containing only carbon and hydrogen are likely to form liquid crystalline phases.

☐ The liquid crystal state is another phase of matter, just like solid, liquid, and gas.

☐ Liquid crystalline molecules are generally spherical in shape.