Ruby is an oxide of__________?

Related Mcqs:

1. It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________?

   A. An equal and opposite pressure acts from inside B. of the height of a man C. of gravity D. Earth pulls the man upward E. None of these Submitted by: Zeeshan Rafique Soomro...

2. Oncology is the Study of__________?

   A. Onions B. Origins C. Cancer D. Diseases Submitted by: Melody...

3. A dolphin perceives its environment by the sense of__________?

   A. Sight B. Sound C. Both of these D. None of these Submitted by: Farjan Ahmed Soomro...

4. Air contains maximum amount of__________?

   A. oxygen B. nitrogen C. hydrogen D. carbon dioxide Submitted by: ABDUL HAYEE...

5. Hyetology is the study of__________?

   A. High pressure B. Rainfall C. High temperature D. Earthquake Submitted by: Muhammad Tahir...

6. Cover of the capsule is made of__________?

   A. Paper B. Polythene C. Eggshell D. Gelatin  Submitted by: Muhammad Tahir...

7. EEG records the activity of__________?

   A. Heart B. Lungs C. Brain D. Muscles Submitted by: Malik Asghar Hussain...

8. Silver fish is the name of__________?

   A. Insect B. Fish C. Bird D. Mammal Submitted by: shahid...

9. A seed can germinate in the absence of__________?

   A. Oxygen B. Light C. Moisture D. Temperature Submitted by: Malik Asghar Hussain...

10. Our atmosphere consists of__________ CO2?

    A. 0.03 to 0.04% CO2 B. 0.3 to 0.4% CO2 C. 3 to 4% CO2 D. None of these Submitted by: Ameer Ali Mirani...