pH value of water is _________?

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. Water is a highly effective coolant for a car engine because _________?

   A. Water is good conductor of heat
   B. Water has very high specific heat capacity
   C. Water boils at a comparatively high temperature
   D. Evaporation of water produces lot of cooling

8. Triple point of water is _________?

   A. 271 K
   B. 272.2 K
   C. 273.16 K 
   D. None of these

   Submitted by: Muhammad Hassan

9. Water soluble Vitamins are _________?

   A. A & D vitamins
   B. B & C vitamins
   C. A & K vitamins
   D. B & K vitamins

   Submitted by: Aamir khan Hullio

10. Titan, a moon of __________ , and Triton, a moon of _________ , have atmospheres mainly of _________.

    A. Saturn, Jupiter, Hydrogen
    B. Uranus, Neptune, Nitrogen
    C. Saturn, Neptune, Nitrogen
    D. Mars, Venus, Hydrogen

    Submitted by: Muhammad Abdullah