Question

Which of the following statement is correct? *

1 point

Materials existing as liquids at room temperature have their melting and boiling points lower than that of room temperature.

The phenomenon involving the transition of a substance from solid to liquid state is called sublimation.

To convert a temperature on the Celsius scale to Kelvin scale, subtract 273 from the given temperature.

The density of ice is less than that of water.

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Answer 1

Answer:

1-should have boiling point above room temperature and the melting point below room temperature. If boiling point is less than room temperature then the liquid will boil at room temperature and will convert to vapor. And melting point should be less than room temperature otherwise liquid will solidify.

2-Sublimation is the transition of a substance directly from the solid to the gas state, without passing through the liquid state.

3-When it comes to converting Celsius degrees into Kelvins, the formula is even simpler. 0 degrees Celsius is equal to 273.15 Kelvins. The basic formula is °C + 273.15 = K. Kelvin to Celsius: Add 273.

4-When water freezes, water molecules form a crystalline structure maintained by hydrogen bonding. Solid water, or ice, is less dense than liquid water. Ice is less dense than water because the orientation of hydrogen bonds causes molecules to push farther apart, which lowers the density