- Hydrogen atoms with excess of energy
- Hydrogen molecules with excess energy
- Hydrogen ions in excited state
- Solvated protons
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- In spite of substituents nitro group always goes to only m-position.
- In electrophilic substitution reactions amino group is meta directive.
- In absence of substituents nitro group always goes to m-position
- In acidic (strong) medium aniline is present as anilinium ion.
- nucleophilic substitution
- nucleophilic addition
- electrophilic substitution
- electrophillic addition
- diamagnetic
- paramagnetic
- ferromagnetic
- non-magnetiC
- Electro osmosis
- Electro dialysis
- Electro dispersion
- Electro phoresis
- momentum
- velocity
- pressure
- Acceleration
- can be zero
- can have a fractional value
- is always whole number
- can not be less than 2
- simple reactions
- complex reactions
- both simples complex reactions
- none of the above
- antpyretic
- antiseptic
- insecticide
- analgesic
- Ce(OH)3
- Lu(OH)3
- Eu(OH)3
- Yb(OH)3
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