• 2022-06-07
    22.Both sugar and salt can _________ in water.
    A: desert
    B: abso
    C: dissolve
    D: involve
  • C

    内容

    • 0

      Fresh water ________ at a higher temperature than salt water. A: melts B: concentrates C: freezes D: resolves

    • 1

      Which of the following processes would you classify as chemical reactions? A: The burning of paper B: The formation of rust on iron C: The boiling of water D: The preparation of sugar syrup by adding sugar to hot water E: The manufacture of salt by evaporation of sea water

    • 2

      My teacher told me that salt water _________ (freeze) at a lower temperature than fresh water.

    • 3

      Most bottled water is the same as tap water. Both tap and bottled water come from rivers and _______ .

    • 4

      According to the state of water in the soil, the liquid phase can be divided into ____, bound water, and free water.