Radon is___________?

Related Mcqs:

1. The main constituent of hemoglobin is___________?

   A. Chlorine
   B. Iron
   C. Calcium
   D. None of these

2. The gas used in a refrigerator to cool water is___________?

   A. Nitrogen
   B. Carbon dioxide
   C. Methane
   D. Tetrafluoroethane

   Updated by: NoumaN

3. The Shortest (smallest) bone in human body is___________?

   A. Stapes
   B. Tibia
   C. Femur
   D. Humerus

   Submitted by: Sadam Khan

4. The chemical name of Laughing gas is___________?

   A. Nitric oxide
   B. Nitrogen dioxide
   C. Nitrogen pentoxide
   D. Nitrous oxide

   Submitted by: Iram Saleem

5. The protein content of edible portion of egg is___________?

   A. 13 %
   B. 13.3%
   C. 14 %
   D. 14.5%

   Submitted by: WIQAR AHMAD

6. The Time taken for sunlight to reach the Earth is___________?

   A. 700 sec
   B. 8hrs 20 mins
   C. 8 mins 20 sec
   D. 8 mins

   Submitted by: Anand Hanjhro

7. The distance b/w Earth and Moon is___________?

   A. 3,50,000km
   B. 3,60,100km
   C. 3,72,000km
   D. 3,84,400km

   Submitted by: Ch.Naeem Kamboh

8. The type of glass used in making lenses and prism is___________?

   A. Pyrex glass
   B. jena glass
   C. Flintglass
   D. Soft glass

   Submitted by: Asad Ullah Afridi

9. speed of sound in dry air at 20 °C is___________?

   A. 353 m/s
   B. 345 m/s
   C. 343 m/s
   D. none of them

   Submitted by: ARIF HUSSAIN

10. The process of converting wet waste to manure is___________?

    A. Metabolism
    B. Conservation
    C. Incineration
    D. Composting

    Submitted by: Malik Asghar Hussain