Which of the Following Changes Is/are Exothermic for the Underlined

question 49

Multiple Choice

Which of the following changes is/are exothermic for the underlined object?
i.ice melts
ii.hot french fries cool
iii.a beaker warms as chemicals react within it
iv.a hot plate warms a beaker of water
v.water evaporates off of skin

• A)iii and iv
• B)i and v
• C)ii only
• D)All are exothermic
• E)None is exothermic

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Definitions:

Liter

A metric unit of volume equal to one cubic decimeter or 1,000 cubic centimeters, commonly used to measure liquids.

Basic Unit

The smallest, fundamental component or building block of a system or structure.

Metric System

A decimal system of weights and measures based on the meter, liter, and gram as units of length, capacity, and weight or mass, respectively.

Drug

A substance used in the diagnosis, treatment, or prevention of diseases, capable of affecting physical or mental functions.