- Zn + Ni
- Cu + Zn
- Cu + Ni
- Cu + Sn
Category: Everyday Science mcqs
- Archimedes
- William Gilbert
- Nicolas Copernicus
- Michael Faraday
- 0 °C
- -2 °C
- -4 °C
- None of above
- Frost
- Black ice
- Frozen ice
- Black hail
- 63% tin and 37% lead
- 63% lead and 37% tin
- 63% tin and 37% aluminum
- 63% lead and 37% aluminum
- also decrease
- increase
- remains constant
- none of these
- iodine
- copper
- fluorine
- iron
- Animal wastes
- Forest residues
- Aquatic plants
- None of these
- Chlorine
- Bromine
- Plants
- Young man
- Ice
- Water
- Benzene
- Chloroform
- particulate pollutant
- gaseous pollutant
- aerosol
- none of these
- John Dalton
- E.Rutherfor d
- De Broglie
- I.Mendele ef
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