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Chemistry Medium CSS Uploaded: 04 Sep 2026

Le Chatelier's Principle predicts how equilibrium shifts in response to:

  • A Molecular weight change
  • B External stress
  • C Catalyst addition
  • D Color change
Correct Answer: Option B — External stress
Explanation:
Le Chatelier's Principle states that when a system at equilibrium is subjected to an external stress such as changes in concentration, pressure, or temperature, it shifts to counteract that stress and restore balance.
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