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Chemical Effects of Electric Current — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceChemical Effects of Electric Current1 Mark
MCQ
When electricity is passed through calcium nitrate solution in water, what is likely to be formed at the cathode and why?
  • A
    Hydrogen because it is a very reactive than calcium.
  • B
    Calcium because it is a very reactive than hydrogen.
  • ✓
    Hydrogen because it is less reactive than calcium.
  • D
    Calcium because it is less reactive than hydrogen.
✓

Answer

Correct option: C.
Hydrogen because it is less reactive than calcium.
Calcium is a very reactive metal.

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