Water is 50 times more viscous than ____________ ?

Related Mcqs:

1. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

   A. 1 gram
   B. 10 grams
   C. 1 kg
   D. 10 kg

2. Water is heated in a kettlE. The inside water is heated by convection. A person sitting near the fire receives heat by ________?

   A. Conduction
   B. Convection
   C. Radiation
   D. Reflection
   E. None of these

3. 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

4. For seeing objects at the surface of water from a submarine under water, the instrument used is ________?

   A. Periscope
   B. Telescope
   C. Kaleidoscope
   D. Spectroscope

   Submitted by: Rashid Mehmood

5. Sea water (Salt water) freezes at ?

   A. Same temperature as fresh water.
   B. Slightly higher temperatures than fresh water.
   C. Slightly higher temperature than fresh water.
   D. Sea water does not freeze

   Submitted by: Mansoor Ahmed Suhag

6. Underground water and the water on the earth’s surface is called ?

   A. Mezosphere
   B. Ionosphere
   C. Hydrosphere
   D. None of these

   Submitted by: Haziq

7. Approximately, how many times each day do our heart valves open and close normally?

   A. 10,000
   B. 1,00,000
   C. 1,50,000
   D. 2,00,000

   Submitted by: WIQAR AHMAD

8. How many times the sun is bigger than the size of the earth?

   A. 69 times
   B. 89 times
   C. 99 times
   D. 109 times

   Submitted by: Somia Usman Taimoor

9. The temperature at which water boils depends mainly on ____________?

   A. Air temperature
   B. Relative humidity
   C. Air pressure
   D. Air density
   E. The specific heat of air

   Submitted by: Mansoor Ul Haque

10. Which of the following organisms releases molecular oxygen into water?

    A. E.coli
    B. Phytoplankton
    C. Amoeba
    D. Salmonella

    Submitted by: Malik Asghar Hussain