The most pure form of carbon among these are?

Related Mcqs:

1. The ratio of pure gold in 18 carat gold is _______________?

   A. 0.5
   B. 0.9
   C. 0.8.5
   D. 0.75

   Submitted by: WIQAR AHMAD

2. Human beings use _______ liters of pure oxygen per day.

   A. 550
   B. 2500
   C. 1,050
   D. 10,000

   Submitted by: Muhammad Awais Tariq

3. Which metal is pure conductor of electricity?

   A. Copper
   B. Gold
   C. Silver
   D. lead

   Submitted by: Wajahat Ali

4. Boiling point of pure water is __________?

   A. 90’C
   B.  97’C
   C. 100’C
   D. None of these

   Submitted by: Rafi Umar

5. Pure limestone is called _______?

   A. Aluminum Oxide
   B. Calcium Carbonate
   C. Calcium Sulphate
   D. None of these

   Submitted by: Farhan Rana

6. The Carbon Dioxide in the atmosphere, by volume, is_______?

   A. 0.039%
   B. 3.9%
   C. 13%
   D. 30%

7. Which of the following type of Coal, has maximum carbon content?

   A. Peat
   B. Lignite
   C. Anthracite
   D. Bituminious

   Submitted by: Malik Asghar Hussain

8. Carbon,Diamond and Graphite are together called:___________?

   A. Allotrope
   B. Isomers
   C. Isomorphs
   D. Isotopes

   Submitted by: Fahad Mehsud

9. Carbon dioxide was discovered by_______?

   A. Niels Bohr
   B. Amedeo Avogadro
   C. Joseph Black
   D. None of Above

   Submitted by: Ali Mallah

10. Planets having largest amount of Carbon Dioxide is ____________?

    A. Mercury
    B. Jupiter
    C. Mars
    D. Venus

    Submitted by: Sinha Amjad