- sand
- silicone dioxide
- iron oxide
- silicates
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- Tertiary H > primary H > secondary H
- Primary H < secondary H < tertiary H
- Primary H > secondary H > tertiary H
- Secondary H > tertiary H < primary H
- zinc and alkyl halide
- magnesium and alkane
- magnesium and alkyl halide
- magnesium and aromatic hydrocarbon
- have sharp melting point
- is anisotropic
- behave like fluid
- is true solid
- aldehydic group
- ketonic group
- acidic group
- alcoholic group
- Maltose
- d-amylase
- Lactose
- Oxidase
- it does not form oxime
- it does not react with RMgX reagent
- it does not reduce Tollen's reagent
- it does not form osazone
- nucleophilic addition
- electrophilic substitution
- nucleophilic substitution
- electrophilic addition
- free electrons
- free ions
- tree molecules
- atoms of Na and CI
- CnHnO2
- CnH2nO
- CnH2n+2O2
- CnH2nO2
- 2-ethyl-3-methyl propanoic acid
- 2-ethyl-3-methyl pentanoic acid
- 2-ethyl-3-methyl butanoic acid
- 3-ethyl-2-methyl butanoic acid
- pure acetic acid at 100 °C
- acetic acid mixed with methanol
- pure acetic acid at 0 °C
- pure acetic acid at 16.6°. C
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