Advertisements
Advertisements
प्रश्न
Assertion: The process of conversion of liquid water to its vapours by heating the liquid is called boiling.
Reason: The process of conversion of water vapours to liquid by cooling the vapours is called condensation.
विकल्प
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false but R is true.
Advertisements
उत्तर
Both A and R are true but R is not the correct explanation Of A.
APPEARS IN
संबंधित प्रश्न
Boiling takes place from the
Explain the terms boiling point.
It is difficult to cook vegetables on hills and mountains. Explain the reason.
Boiling of egg results in ______ change.
What is the physical state of water at 100°C.
Choose the correct statement of the following
A sample of water under study was found to boil at 102°C at normal temperature and pressure. Is the water pure? Will this water freeze at 0°C? Comment.
____________ is the change of solid state directly to vapour state without going through the ____________ state.
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.
A liquid changes into a gas at a constant temperature known as its ______.
