An element that does not occur in nature but can be produced artificially is__________?

Related Mcqs:

1. The element used in lead pencils is__________?

   A. Zinc
   B. Lead
   C. Carbon
   D. Tin

   Submitted by: ABDUL HAYEE

2. The heaviest man made element found so for is__________?

   A. Promethium
   B. Ununoctium
   C. Francium
   D. Technetium

   Submitted by: Malik Asghar Hussain

3. During which process does heat transfer occur because of density differences__________?

   A. Convection 
   B. Radiation
   C. Conduction
   D. None of these

   Submitted by: Rida

4. One of the following ways of expressing the concentration of a solution does not depend on temperature. It is__________?

   A. Molarity
   B. Molality
   C. Normality
   D. Formality

   Submitted by: Mansoor Ul Haque

5. Spring tides occur on new moon and full moon days because on these days_____________?

   A. Sun, moon and earth are in a straight line
   B. Sun and earth are at right angles
   C. Sun and moon are at right angles
   D. Earth and moon are at right angles

   Submitted by: Jameel Ahmed Solangi (Larkana

6. Earthquakes occur most frequently at __________?

   A. Plate boundaries
   B. Plate surface
   C. Ocean beds
   D. All of the above

   Submitted by: Rashid Mehmood

7. Refraction of sound can occur in:

   A. Water
   B. Air
   C. Both A & B
   D. None of these

   Submitted by: Sami Khan

8. Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________?

   A. Partial Eclipse cycle
   B. Total Eclipse Cycle
   C. Saros Cycle
   D. None of the above

   Submitted by: Ozeak Malik

9. Gales occur when the wind moves at the speed of _____ ?

   A. 35 km/h
   B. 55 km/h
   C. 75 km/h
   D. 100 km/h

   Submitted by: Ali Mallah

10. Which element has the second most % in human body?

    A. Oxygen 65%
    B. Calcium 75%
    C. Hydrogen 10%
    D. Carbon 18%

    Submitted by: Syed Nizakat Ali Shah