- movement ot the electrolyte through the external wire
- flow ot electrons through the solution
- migration of ions to the oppositely charged electrodes
- tlow of positive ions through the external wire
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- always negative
- always positive
- can be negative or positive
- zero
- size of an atom
- nuclear charge on atom
- electrons in an atom
- all
- The size ot the zinc rod remains same but blue colour of CuSO4, solution becomes faint
- The size of the zinc rod is reduced and the blue colour of CuSO4, solution becomes faint
- The size of the zinc rod is reduced but there is no change in the intensity of colour of CuSO, solution
- The size of zinc rod as well as the intensity of the colour of CusO, solution remain unchanged
- dioxide
- superoxide ion
- oxide
- peroxide ion
- Conversion of potential energy into kinetics
- Conversion of electrical energy into chemical energy
- Conversion of chemical energy into electrical energy
- both b and 'c
- both liquid
- liquid and its vapour
- two vapours
- all of these
- Biodegradable pollution
- Nondegradable pollution
- Thermal pollution of soil
- Air pollution
- increases
- decreases
- remains same
- increases and then decreases
- tranqulizer
- diuretic
- analgesic calmness
- antihistamine
- becomes harmful
- shrivels
- dies
- both b and c
- 80 cm
- 90 cm
- 100 cm
- 120 cm
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