- inert pair effect
- screening effect
- greater nuclear charge
- Vander Waal's forces
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- inert pair effect
- screening effect
- greater nuclear charge
- Vander Waal's forces
- Size of orbitals
- Shape of orbitals
- Orientation of orbitals
- Nuclear Stability
- To conserve the necessary ecological activities and life supporting systems
- To conserve species diversity and range of genetic meterial
- Both the above
- None of the above
- increase in atonmic number
- decrease in ionic radii
- poor shielding eftect of 4f-electron
- both a and c above
- decomposes Na2S and NaCN, if formed
- helps in the precipitation of AgCl
- increases the solubility product of AgCl
- increases the concentration of NO3– ions
- Boyles law
- Charles law
- Combine gas law
- Avogadros law
- Biome
- Biosphere
- Community
- Biocoenosis
- greater nuclear charge
- less nuclear charge
- extra stable E.C.
- shielding effect
- 3-hydroxy-1-methyl pentanal
- 4-hydroxy-Z-methyl pentanal
- 3-hydroxy-f-methyl pentanal
- d 4-hydroxy-3-methyl pentanal
- chloral
- trichloroacetaldehyde
- 1,1,1-trichloro ethanal
- 2,2,2-trichloro ethanal
- The adsorption sites are equivalent in their ability to adsorb the particles.
- The heat of adsorption varies with coverage.
- The adsorption molecules interact with each other.
- The adsorption takes place in multilayers.
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