Question

Primary cells provide current as a result of ………….. chemical reaction and secondary cells provide current as a result of ………….. reaction.
(a) reversible, reversible
(b) reversible, irreversible
(c) irreversible, reversible
(d) irreversible, irreversible

  • Current Electricity Class 9 ICSE
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Answer

(c) irreversible, reversible

Reason — Primary cells provide current as a result of irreversible chemical reaction and secondary cells provide current as a result of reversible reaction.

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