- Na
- N
- Ne
- None
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- Hofmann Bromide
- Claisen
- Perkin
- Kekule
- aniline
- benzyl amine
- methyl amine
- iso-butylamine
- Low electronegativity
- One e— in outer most orbit
- Smaller atomic radii
- Low ionisation energy
- Diamagnetic and coloured
- Diamagnetic and colourless
- Paramagnetic and coloured
- Paramagnetic and colourless
- Schifl s reagent
- Baeyer's reagent
- Benedict's reagent
- Tollen's reagent
- phosphorus pentachloride
- sulphonyl chloride
- conhydrogen chloride
- phosphorus trichloride
- Positive deviation
- Positive deviation and negative deviation
- negative deviation
- None of these
- promethium
- lutetium
- cernum
- erbium
- solid sol
- Aerosol
- emulsion
- gel
- only among themselves
- only with water
- in chloroform
- both 'a' and 'b'
- oxidizing agents
- reducing agents
- dehalogenating agents
- dehydrating agents
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