Rate of evaporation of petrol is greater than that of water at room temperature because:

Related Mcqs:

1. Why are soft drink made with chilled water rather than water at room temperature?

   A. Ingredients dissolve better in chilled water
   B. Chilled water enhances the taste
   C. Chilled water attracts more carbon dioxide 
   D. Chilled water is more hygienic

   Submitted by: Ashfaque Ali Khoso

2. Which one of the following gases is readily soluble in water at room temperature?

   A. Chlorine
   B. Nitrogen
   C. Ammonia
   D. Carbon dioxide

   Submitted by: ABDUL HAYEE

3. Which metallic element is liquid at room temperature?

   A. Zinc
   B. Nickel
   C. Lead
   D. Mercury

   Submitted by: Danish Balani

4. Which of the following is a Non Metal that remains Liquid at room temperature?

   A. Phosphorous
   B. Bromine
   C. Chlorine
   D. Helium

   Submitted by: Muhammad Ashhar khan

5. Which are the only two elements on the periodic table that are liquid at room temperature?

   A. Mercury and Bromine
   B. Carbon and helium
   C. Nitrogen and Hydrogen
   D. Oxygen and Neon

   Submitted by: Ashfaque Ali Khoso

6. Evaporation from ice and snow is known as___________?

   A. evaporation
   B. sublimation
   C. hydrogenation
   D. insolation

   Submitted by: FAZAL ULLAH

7. When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?

   A. Visible
   B. Transparent
   C. Invisible
   D. opaque
   E. None of these

8. When a person enters a dark room from bright light he is not able to see clearly for a little while because the?

   A. Eye is unable to adjust itself immediately
   B. Retina becomes insensitive momentarily
   C. Iris is unable to dilate the pupil immediately
   D. Distance between the lens and retina take time to adjust

9. Despite the fluctuation in human body temperature. The temperature of human body remains at _________?

   A. 35 °C
   B. 37 °C
   C. 42 °C
   D. 54 °C

   Submitted by: Shahbaz Jiskani

10. Honey contain glucose and fructose along with some other ingredients, it has greater viscosity due to____________?

    A. hydrogen bonding
    B. irregular shape of the molecules
    C. irregular shape of the molecules and strong inter-molecular forces
    D. greater molecular size

    Submitted by: Mansoor Ul Haque