Advertisements
Advertisements
प्रश्न
State the boiling point of water.
Advertisements
उत्तर
BOILING POINT OF WATER: “Is that constant temperature at which water starts (BOILING) changing from water to steam (vapours)”.
It is 100°C for water.
APPEARS IN
संबंधित प्रश्न
Rapid conversion of water into steam is an example of
A pressure cooker is based on the principle that boiling point of water increases with the ______.
The boiling point of water is defined as ______.
By the process of Heating of water, ______ is obtained.
During summer, water kept in an earthen pot becomes cool because of the phenomenon of
The boiling points of diethyl ether, acetone and n-butyl alcohol are 35°C, 56°C and 118°C respectively. Which one of the following correctly represents their boiling points in kelvin scale?
Alka was making tea in a kettle. Suddenly she felt intense heat from the puff of steam gushing out of the spout of the kettle. She wondered whether the temperature of the steam was higher than that of the water boiling in the kettle. Comment.
Conversion of solid to vapour is called sublimation. Name the term used to denote the conversion of vapour to solid.
Why does the temperature of a substance remain constant during its melting point or boiling point?
Assertion (A): Burning of a candle is considered a physical as well as chemical change.
Reason (R): Melting of wax is a physical change melted wax turns into vapours and then bums which is a chemical change.
