- Oxygen
- Calcium
- Cobalt
- Potassium
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- Fe2O3,
- VO2,
- CoO
- cu
- Inductive effect only
- Hyperconjugative effect only
- Both inductive as well as hyperconjugative effects
- Strong mesomeric effect
- bacteria killing substances
- inflammation control substances
- micro organisms killing substances
- mental diseases treatment
- Cr and Ni
- Cu and Co
- Fe and Ni
- Cr and Cu
- exhibit diamagnetism
- undergo inert pair effect
- do not form alloys
- show variable oxidation states
- Zn acts as anode
- Cu acts as positive electrode
- Electrons flow from Cu to Zn
- Cu acts as cathode
- initial and final state
- time factor
- bulk of matter
- energy change
- microscopic properties
- macroscopic properties
- physical properties
- chemical properties
- Metals
- Non metals
- Metalloids
- Metal,non metal ,metalloid respectively
- triclinic system
- tetragonal system
- none of these
- monoclinic system
- A nucleophilic addition
- An electrophilic substitution
- SN2 displacement
- SN1 displacement
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