Q51Multiple choice
The variation of vapour pressure of different liquids with temperature is shown in Fig. 5.6.
This question refers to a figure in the original PDF.
- (i)Calculate graphically boiling points of liquids A and B.
- (ii)If we take liquid C in a closed vessel and heat it continuously. At what temperature will it boil?
- (iii)At high altitude, atmospheric pressure is low (say 60 mm Hg). At what temperature liquid D boils?
- (iv)Pressure cooker is used for cooking food at hill station. Explain in terms of vapour pressure why is it so? Fig. 5.6
Show answer
(i) Calculate graphically boiling points of liquids A and B.
(ii) If we take liquid C in a closed vessel and heat it continuously. At what temperature will it boil?
(iii) At high altitude, atmospheric pressure is low (say 60 mm Hg). At what temperature liquid D boils?
(iv) Pressure cooker is used for cooking food at hill station. Explain in terms of vapour pressure why is it so? Fig. 5.6