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Chemical Effects of Electric Current — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceChemical Effects of Electric Current1 Mark
MCQ
Assertion (A) Water decomposes into hydrogen and oxygen on heating at high temperature.
Reason (R) Chemical effect of current is used to decompose chemical compounds into their elemental form.
  • A
    Both A and R are true and R is the correct explanation of A.
  • ✓
    Both A and R are true but R is not the correct explanation of A.
  • C
    A is true but R is false
  • D
    A is false but R is true.
✓

Answer

Correct option: B.
Both A and R are true but R is not the correct explanation of A.
B

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