Observe the phenomenon of physical changes in the kitchen and fill in the form below

Updated on Kitchen 2024-10-05
1 answers
  1. Anonymous users2024-01-24

    There are water droplets on the outside of the bucket – liquefaction – liquefaction of hot air when cold.

    There is a mist above the pot where the water is boiled - vaporization - the liquid continues to absorb heat after it reaches the boiling point, and the phenomenon of vaporization occurs.

    In winter, the water in the kitchen bucket solidifies and freezes – the solidification ......

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A. It involves the combustion of substances, C. It is the slow oxidation of iron and oxygen, and D is the slow oxidation of vegetables and oxygen, all of which are formed by other substances, which are chemical changes, and B is only a state change, and there is no other substance generation, so it is a physical change, so choose B