Options:
- A. Oxygen 65%
- B. Calcium 75%
- C. Hydrogen 10%
- D. Carbon 18%
View Answer
A. Oxygen 65%
Everyday Science
Heat exchanger tubes are never made of:
Options:
- A. Plain Carbon Steel
- B. Stainless Steel
- C. Lead
- D. Copper
View Answer
C. Lead
Name the famous Pakistani scientist who worked under the supervision of Albert Einstein?
Options:
- A. Dr Abdul Qadeer
- B. Riazuddin Siddiqui
- C. Ammar Muhammadi
- D. Dr Abdul Salam
View Answer
B. Riazuddin Siddiqui
Quality rating of deisel is called?
Options:
- A. Octane
- B. Cetane
- C. Protane
- D. Butane
View Answer
B. Cetane
________ is an instrument used in determining the directions of movement of clouds.
Options:
- A. Nephoscope
- B. Stethoscope
- C. Metroscope
- D. None of the above
View Answer
A. Nephoscope
What is the degree of rotation of the earth each hour?
Options:
- A. 1
- B. 5
- C. 7.5
- D. 15
View Answer
D. 15
An adult have permanent teeth?
Options:
- A. 30
- B. 40
- C. 50
- D. 32
View Answer
D. 32
Permanent hardness of water is due to the presence of __________?
Options:
- A. Sodium bicarbonate
- B. Calcium sulfate
- C. Calcium bicarbonate
- D. None of these
View Answer
B. Calcium sulfate
Which part of the brain controls the Pituitary Gland?
Options:
- A. Hindbrain
- B. Hypothalamus
- C. Hippocampus
- D. Midbrain
View Answer
B. Hypothalamus
Which ocean does not commonly experience tropical cyclones ?
Options:
- A. Western Pacific
- B. North Atlantic
- C. South Atlantic
- D. Indian Ocean
View Answer
C. South Atlantic