What is the number of known crystalline phases of water ________?

Related Mcqs:

1. All of the following substances are crystalline except_____________?

   A. Ice
   B. Diamond
   C. Sucrose
   D. Plastic

   Submitted by: Mansoor Ul Haque

2. What causes the Moon’s phases?

   A. The Sun lights up only one half of the Moon and as the Moon orbits the Earth we can sometimes see the unlit side of the Moon.
   B. The Sun lights up only one half of the Moon and as the Sun orbits the Earth we can sometimes see the unlit side of the Moon.
   C. The Earth’s shadow falls on the Moon, blocking the sunlight.
   D. The Moon’s shadow falls on the Earth, blocking the sunlight.

   Submitted by: Mansoor Ul Haque

3. The phases of the moon are partially the result of the____________?

   A. Changes in the shape of the moon
   B. Revolution of the moon around the earth
   C. Variations in the moon’s gravitation
   D. Variations in the speed of rotation of the moon

   Submitted by: Jameel Ahmed Solangi (Larkana)

4. Chromosomes first become visible during which phases of mitosis:

   A. Prometaphase
   B. Telophase
   C. Prophase 
   D. Metaphase

   Submitted by: Sami Khan

5. 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

6. 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

7. The thermosphere extends from an altitude of ________ to the base of ________ at ________?

   A. 75 km, Mesosphere, 670 km
   B. 80 km, Ionosphere, 680 km
   C. 85 km, Exosphere, 690 km
   D. 90 km, Ozone Layer , 690 km

   Submitted by: Muhammad Abdullah

8. 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

9. 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

10. 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