📅 NSB Round Robin 2018🎓 HS🔄 Round 9#️⃣ Question 2🌟 Bonus✍️ Short Answer
Identify all of the following three statements that are true of secondary batteries: 1) They are not rechargeable; 2) They require a constant source of energy; 3) The electricity-producing reaction in them is chemically reversible.
✔️Answer:3
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