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Mdcat-past-papers Quiz

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441. When two ice cubes are pressed over each other they unite to form one cube due to:



442. Correct order of boiling points of the given liquid is:



443. Which of the following factor does not affect the magnitude of vapor pressure?



444. Which is not a property of liquid?



445. In order to boil water at 110°C, external pressure should be:



446. Boiling point of a liquid is a temperature at which;



447. Which of the following influences the variation of temperature at which boiling liquid takes place?



448. The boiling point of water in Kelvin scale is:



449. Which of the following has highest surface tension?



450. Which of the following has highest boiling point?



451. Which of the following has lowest vapour pressure at 20°C?



452. The compound which exhibits highest vapour pressure is:



453. Which of the following compound has less boiling point?



454. A pressure cooker reduces cooking time because:



455. Which of the following compound has highest boiling point?



456. Amount of heat absorbed, when one mole of liquid changes to gas at its boiling point is called:



457. Molar heat of vaporization of water is:



458. Distillation under very reduced pressure is is --distillation.



459. CO₂ and SO₂ both are triatomic molecules but heat of vaporization of SO₂ is greater than that of CO₂ due to:



460. Which of the following has the lowest vapor pressure at 20°?