Statement I: Water can be made to boil without heating. Statement II: Boiling point is lowered by increasing pressure

Question

Statement I: Water can be made to boil without heating. Statement II: Boiling point is lowered by increasing pressure (A) If both statement I and statement II are true and statement II is the correct explanation of statement I (B) If both statement I and statement II are true but statement II is not the correct explanation of statement I (C) If statement I is true but statement II is false (D) If both statement I and statement II are false

Tardigrade Admin · Accepted Answer

We know that liquid starts boiling when its vapour pressure becomes equal to atmospheric pressure. Hence, to boil the water without heating we have to decrease the external pressure.

Q. Statement I: Water can be made to boil without heating. Statement II: Boiling point is lowered by increasing pressure

If both statement I and statement II are true and statement II is the correct explanation of statement I

If both statement I and statement II are true but statement II is not the correct explanation of statement I

If statement I is true but statement II is false

If both statement I and statement II are false

We know that liquid starts boiling when its vapour pressure becomes equal to atmospheric pressure. Hence, to boil the water without heating we have to decrease the external pressure.

Q. Statement I: Water can be made to boil without heating.
Statement II: Boiling point is lowered by increasing pressure