Respuesta :
Answer: by freezing a pure water and allowing it to melt.
Explanation:
Covalent compounds generally have low boiling and melting points and are found in all three physical states at room temperature.
At temperature 0°C or 32°F pure water ice melts and changes state from a solid to a liquid.
This is an evidence that water have a very low melting point as to other covalent compounds like CaO, MgO.
Answer:
B) He can demonstrate that water can be boiled on a simple kitchen stove.
Explanation:
