Nickel-Cadmium Batteries Are Used in Rechargeable Electronic Calculators

question 98

Multiple Choice

Nickel-cadmium batteries are used in rechargeable electronic calculators.Given the reaction for recharging a NiCad battery,what substance is being reduced? Cd(OH) 2(s) + Ni(OH) 2(s) → Cd(s) + NiO₂(s) + 2 H₂O(l)

• A)Cd
• B)NiO₂
• C)H₂O
• D)Cd(OH)2
• E)Ni(OH)2

---

Definitions:

Population Locations

This term isn’t a standard statistical or geographical concept, so it may be misunderstood or used in a different context. The correct term might be "population distribution."

P-value

The probability of obtaining test results at least as extreme as the ones observed, assuming the null hypothesis is true.

Statistical Table

A table that displays data in a structured format, often used to summarize and present statistical results.

Restaurant Types

Categories of dining establishments distinguished by factors such as cuisine, service style, pricing, and ambiance.