Hydrogen peroxide (H2O2)______________?

Related Mcqs:

1. Deuterium differs from Hydrogen in having:

   A. Different atomic number but same atomic weight
   B. Different atomic number and different atomic weight
   C. Same atomic number and different atomic weight
   D. None

2. Hydrogen bomb is based on the principle of ________ ?

   A. Nuclear fusion
   B. Artificial radioactivity
   C. Natural radioactivity
   D. Nuclear fission

   Submitted by: Rashid Mehmood

3. The Proportion of Hydrogen to Helium in the Sun is________?

   A. 3:2
   B. 3:1
   C. 1:1
   D. 3:4

   Submitted by: ATIF RAUF

4. The sun is expected to exhaust its hydrogen fuel in about 5 billion years. What will be its effect?

   A. The sun will then expand into a red giant and possibly swallow the outer planets
   B. The sun will then expand into a red giant and possibly swallow the inner as well as outer planets, including Earth
   C. The sun will then expand into a red giant and possibly swallow the inner planets, including Earth
   D. Sun will stay as it is

   Submitted by: Muhammad Abdullah

5. The sun is made up of 99.9% of ________________ and ______________?

   A. Oxygen and Hydrogen
   B. Hydrogen and Sulfur
   C. Carbon and Silicon
   D. Hydrogen and Helium

   Submitted by: Mansoor Ul Haque

6. Earth is closest to the sun every year in early ______________, when it’s winter for the Northern Hemisphere. We’re farthest away from the sun in early __________________, during our Northern Hemisphere summer.

   A. January – July
   B. June – December
   C. July – January
   D. December – June

   Submitted by: Mansoor Ul Haque

7. Water vapor is ______________?

   A. A gas
   B. A cloud droplet
   C. A rain drop
   D. A snowflake

   Submitted by: Mansoor Ul Haque

8. The species that flower are called ______________?

   A. Gymnosperms
   B. Bryophytes
   C. Angiosperms
   D. Algae

   Submitted by: Mansoor Ul Haque

9. Being Myopic means you have problem in seeing ______________?

   A. Distant objects clearly
   B. Close objects clearly
   C. Both A and B
   D. Distant and close objects look unclear

   Submitted by: Aamir Zulfiqar

10. The main constituent of Pearls are: ______________?

    A. Calcium oxide &Ammonium Chloride
    B. Calcium Carbonate &Megnesium Carbonate
    C. Aragonite & Conchiolin
    D. None of these

    Submitted by: Fahad Mehsud