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प्रश्न
Explain the term boiling point
उत्तर
Matter can change from solid to liquid to a gaseous state and back to solid-state. This is called a change of state of matter.
Boiling point — The constant temperature at which a liquid starts boiling.
B.P. of water – 100°C.
संबंधित प्रश्न
Convert the following temperature to the celsius scale.
470 K
Why is ice at 273 K more effective in cooling than water at the same temperature?
Dissolving salt in water is a reversible change.
Fill in the following blank with suitable words :
Temp on Kelvin scale = Temp on Celsius scale + ........................
What is sublimation ? Name two substances (other than ammonium chloride) which undergo sublimation.
Give reasons:
How is interconversion of states of matter different from chemical reaction?
Name the phenomenon which causes the following changes:
Disappearance of camphor when exposed to air
A kind of matter which can sublime is
Halima picks up a small stone from the ground and puts it in the water in a dish. Does the shape of the stone change?
State whether the following statement is true or false. If false write the correct statement.
During a chemical change the composition of the original substance is not altered and the change is irreversible.
