- All form solid bicarbonates
- All form ionic salt like hydride MH
- All form superoxide like KO2
- All form nitrides
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- diamond is a good conductor of electricity
- diamond is soft
- diamond is a bad conductor of heat
- diamond is made up of C, H and O
- mass volume, temperature
- temperature, time length
- density, heat, time
- luminous intensity, mass, heat, capacity
- ( )
- { }
- [ ]
- none of above
- Smoke
- Industrial waste
- Detergent
- Ammonia
- Oxygen
- Sodium
- Fluorine
- Magnesium
- Coal
- Petroleum
- Electricity from nuclear power plants
- Solar radiations
- Group 2 elements are electropositive & strong reducing agents but not as strong as group 1 elements.
- the reducing power of groups 2 elements increases down the group.
- Be has the most negative standard reduction potential.
- The magnesium cation is more easily reduced than the cations of the heavier members of the group.
- It is used in super conductor
- It is used in nono tubes
- It is used in jewellery
- It is used in catalyst
- Mg
- KMnO4
- K2Cr2O4
- d All
- Mg
- KMnO4
- K2Cr2O4
- d All
- iso-propyl halide
- sec-butyl halide
- tert-butyl halide
- neo-hexyl chloride
- conductance of a solution increases with dilution
- molar conductance increases with dilution
- specific conductance increases with dilution
- at infinite dilution each ion (cation or anion) play definite role towards electrical conductance
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