You Have Two Bottles, Each of Which Contains a White

question 7

Multiple Choice

You have two bottles, each of which contains a white, crystalline substance. Your lab director tells you that one contains lactose and the other sucrose. Your job is to determine which bottle contains which sugar. Which procedure would you use?

• A) Test both for solubility in water. Sucrose is very soluble; lactose is only minimally soluble.
• B) Test for the ability to reduce Ag⁺. Only lactose will react.
• C) Dissolve each in water and record the pH. Lactose is far more acidic than sucrose.
• D) React each with bromine Br₂) water. Only sucrose will react.

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Definitions:

Deep Processing

Deep processing refers to a method of learning that involves engaging with the material on a meaningful level, such as through critical thinking and making connections to existing knowledge.

Chunking

A cognitive strategy that involves breaking down information into smaller, manageable units, making it easier to process and remember.

Durable Memory

A type of long-term memory known for its strength and longevity, capable of lasting years or even an entire lifetime.

Structural Encoding

The process of encoding sensory input that has significant recognizable features.