Which Pair of Substances Could Form a Buffered Aqueous Solution

question 16

Multiple Choice

Which pair of substances could form a buffered aqueous solution?

• A)HCl,NaCl
• B)HNO₃,NaNO₃
• C)H₃PO₄,Na H₂PO₄
• D)H SO₄,CH₃COOH
• E)NH₃,NaOH

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Definitions:

Preoperational

The stage in Piaget's theory of cognitive development where children begin to engage in symbolic play but lack the ability to perform operations or use logical thinking.

Accommodation

In psychology, it refers to the cognitive process of revising existing cognitive schemas, perceptions, and understandings to make new information fit.

Cognitive Development

The process by which individuals learn to think, understand, reason, and remember over time.

Preoperational

A stage in Piaget's theory of cognitive development, typically from ages 2 to 7, characterized by symbolic thinking, egocentrism, and a lack of logical operations.