Calculate % of N in KNO3__________?

Related Mcqs:

1. Purines and pyrimidines are_________________?

   A. Enzymes
   B. Nitrogenous bases
   C. Carbohydrates
   D. Lipids

2. The most reactive allotropic form of phosphorus is________________?

   A. White
   B. Redox potential
   C. Black
   D. Violet

3. All the enthalpy changes are________________?

   A. Negative
   B. Positive
   C. May or may not be A or B
   D. none

4. The maximum number of orbitals present in a subshell that is represented by Azimuthal quantum number = 3 will be________________?

   A. 1
   B. 3
   C. 5
   D. 7

5. Rate of filtration can be increased by applying gentle suction______________?

   A. Gooch crucible
   B. Filter paper
   C. Sintered crucible
   D. All of the above

6. The geometry of ammonia is___________________?

   A. Tetrahedral
   B. Square planner
   C. Trigonal bipyramidal
   D. Trigonal Pyramidal

7. Which of the following is not considered as an intermolecular force between molecules ?

   A. Coordinate covalent bonds
   B. Hydrogen bonds
   C. Debye forces
   D. London dispersion forces

8. The IUPAC name of HCONH2 is___________?

   A. Methanamide
   B. Methanoylamine
   C. Aminoethanol
   D. Formanide

   Submitted by: Muhammad Ali Kunbhar

9. The Latin word formica means ant. The name formic acid is derived from this Latin word because__________?

   A. this acid, in ancient times, was used to eliminate ant-hills
   B. this corrosive acid is secreted by ants to drive away their enemies
   C. this acid was first obtained by the distillation of ants
   D. ants are attracted by the odour of this acid

   Submitted by: Muhammad Ali Kunbhar

10. The phenomenon of negative catalysis is also known as:

    A. auto catalysis
    B. Self catalysis
    C. inhibition
    D. Enzyme catalysis

    Submitted by: Said wali shah