Nickel-Cadmium Batteries Are Used in Rechargeable Electronic Calculators

question 60

Multiple Choice

Nickel-cadmium batteries are used in rechargeable electronic calculators.Given the reaction for recharging a NiCad battery,what substance is being oxidized? 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

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Definitions:

Left Subtree

In binary tree structures, it refers to the subtree that is rooted at the left child of a parent node.

Right Subtree

The portion of a binary tree that is located to the right of a node.

Shallow Copy

A shallow copy of an object copies the 'outer' structure of the object, but not the inner objects; the copied object still references the same inner objects as the original.

Java.util

It's a package in Java that provides access to utility classes that can handle collections, dates, random numbers, and other common tasks.