Which Type of Reaction Is Zn + 2HCl → ZnCl₂

question 14

Multiple Choice

Which type of reaction is Zn + 2HCl → ZnCl₂ + H₂?

• A) Decomposition
• B) Combination
• C) Double-replacement
• D) Single-replacement

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Definitions:

Secondary Circular Reactions

A stage in Piaget's theory of cognitive development where infants repeat an action that has an interesting effect outside of their own body.

Coordination

The organized arrangement of different elements or body parts to perform a task smoothly and efficiently.

Primary Circular Reactions

Early infantile behaviors observed in the sensorimotor stage, involving repetitive actions that focus on the infant's own body.

Simple Reflexes

Unlearned responses or actions executed by infants automatically in reaction to specific stimuli.