Which One of the Following Represents a Physical Change

question 38

Multiple Choice

Which one of the following represents a physical change?

• A)water, when heated to 100°C, forms steam
• B)bleach turns hair yellow
• C)sugar, when heated, becomes brown
• D)milk turns sour
• E)apples, when exposed to air, turn brown

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Definitions:

ADA Guidelines

Standards and recommendations provided by the American Dental Association for dental care professionals to ensure proper dental health care and practices.

Human Immunodeficiency Virus

A virus that attacks the immune system and if left untreated, can lead to the disease AIDS (Acquired Immune Deficiency Syndrome).

Laboratory Settings

Controlled environments where scientific research, experiments, and testing are conducted.

Water-Soluble Gel

A gel formulation that dissolves or disintegrates in water, often used in medical and cosmetic applications.