Ücretsiz Kullanmaya Başla
PDF Downloads

Physical changes and changes of state

Chemistry • Properties & Changes of Matter • Knowledge-Based • 1 questions

Physical changes and changes of state Knowledge-Based Download PDF

Chemistry · Matter · Chemistry · Properties & Changes of Matter

1 Chemistry practice questions on Physical changes and changes of state. Questions that assess core concepts and understanding.

Questions

  1. 1.

    Which of the following statements correctly describes what occurs at the molecular level when liquid water evaporates into water vapor?

    • A) The intramolecular covalent bonds holding hydrogen and oxygen atoms together are broken.
    • B) The water molecules decompose into distinct hydrogen and oxygen gas molecules.
    • C) A chemical reaction occurs that alters the molecular structure and forms a new substance.
    • D) The intermolecular attractions between water molecules are overcome while their chemical composition remains unchanged.