Avogadros number may represent_________________?

Related Mcqs:

1. Acid present in acid rain may be_________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none of the above

2. Chlorination of water may be harmful if the water contains_________________?

   A. Ammonia
   B. Dissolved oxygen
   C. Carbon dioxide
   D. All

3. A solid may be made up of_________________?

   A. Atoms
   B. Ions
   C. Molecules
   D. A, B, and C

4. The density of water may be__________________?

   A. Equal to that of ice
   B. Greater than that of ice
   C. Less than that of ice
   D. All are possible

5. Acid present in acid rain may be__________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none

6. Chlorination of water may be harmful if the water contains_________________?

   A. Ammonia
   B. Dissolved oxygen
   C. Carbon dixide
   D. All

7. Which of the following reactions may be assoclated with aldehyde and ketone ?

   A. nucleophile addition
   B. polymerization
   C. oxidation
   D. all of the above

8. Ammonia may be prepared by heating ammonium chloride with_______________?

   A. Water
   B. NaCl
   C. Aqueous sodium hydroxide
   D. H2SO4

9. Which alkyl halide out of the following may follow both SN1 and SN2 mechanism ?

   A. CH3-X
   B. (CH3)3 C-CH2 – X
   C. (CH3)2 CH – X
   D. (CH3)3 C – X

10. Electronic Configuration of Calcium (Ca) atom may be written as________?

    A. Ne, 4p2
    B. Ar, 4s2
    C. Ne, 4s2
    D. Kr,4p2

    Submitted by: Muhammad Ali Kunbhar