I. A liquid boils when its saturated vapour pressure is e...
I. A liquid boils when its saturated vapour pressure is equal to the external pressure
II. Dissolved substances in pure water lead to increase in the boiling point.
III. When the external pressure is increased, the boiling point increases.
IV. Dissolved substances in pure water decrease the boiling point.
Which combination of the above are peculiarities of the boiling point of a liquid?
I, II and III
I, II, III and IV
I, II and IV
II, III and IV
Correct answer is A
No explanation has been provided for this answer.
Electrical resistance is a property of an electrical energy to be converted into ...
In an elastic collision I. Energy is conserved II. Energy is decreased III. Energy is increased...
A charge of 4.6×10−5C is placed in an electric field of intensity \(3.2 × 10^4\...
The amount of heat needed to raise the temperature of 10kg of copper by 1k is its ...
What quantity of heat is required to convert 20 g of ice at 0 ºC to water at the same temperatu...