- calomel
- zn half cell
- N. H. E
- st Ag half cell
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- At/2K
- [A]o/2At
- [A]o/2
- [A]o/2K
- no two electrons in the same atom can have the same set of four quantum numbers.
- two atoms of the same element must have the same number of protons.
- it is impossible to determine accurately both the position and momentum of an electron simultaneously.
- electrons of atoms in their ground states enter energetically equivalent sets of orbitals singly before they pair up in any orbital of the set.
- dipole- dipole interaction
- ionic bond
- covalent bond
- metallic bond
- Dipole – dipole forces
- Ion – dipole force
- Ion – ion force
- Hydrogen bond
- Fe3O4
- Fe2O3
- FeS2
- FeCO3
- preferential adsoprtion of gangue particles oil
- specific gravity of ore particles
- preferential wetting of ore particles by oil
- magnetic properties of gangue
- methane
- ethane
- ozone
- hydrogen
- decarboxilation
- hydrolysis
- electrolysis
- reduction
- The repulsion between the nonbonding pairs of electrons of two fluorine atoms is large
- The ionization energy of the fluorine atom is very low
- The length of the F-F bond much larger than the bond lengths in other halogen molecules
- The F-F bond distance is small and hence the internuclear repulsion between the two F atoms is very low.
- filling of 4f-subshell
- filling of (n-f-subshell
- filling of 5f
- both 'b' and 'c' above
- Fall sharply from oxygen to sulphur then fall regularly from sulphur to tellurium
- Fall regularly from oxygen to telluium
- Rise regularly irom oxygen to tellurium
- Rise slightly from oxygen to tellurium then tall regularly trom sulphur to tellurium
- Fall sharply from oxygen to sulphur then fall regularly from sulphur to tellurium
- Fall regularly from oxygen to telluium
- Rise regularly irom oxygen to tellurium
- Rise slightly from oxygen to tellurium then tall regularly trom sulphur to tellurium
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