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Chemical Effects of Electric Current — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceChemical Effects of Electric Current1 Mark
MCQ
Which of the following statements is correct$?$
  • A
    Distilled water is a good conductor of electricity.
  • ✓
    An $\text{LED}$ glows even when a weak electric current flows through it.
  • C
    Only hydrated salt solutions conduct electricity.
  • D
    Zinc plating is done to make the object scratch proof.
✓

Answer

Correct option: B.
An $\text{LED}$ glows even when a weak electric current flows through it.

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