When a change is brought about in pressure, temperature or concentration of a reversible reation which has attained equilibrium, the equilibria tries to shift in such a direction which would neutralize the effect of change. This is known as

First law of thermodynamics

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Le-chatelier's principle

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Ostwald's rule

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Hess's law of constant heat summation

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Solution

The correct option is B
Le-chatelier's principle

Le-chatelier's principle

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When a change is brought about in pressure, temperature or concentration of a reversible reation which has attained equilibrium, the equilibria tries to shift in such a direction which would neutralize the effect of change. This is known as

The correct option is B Le-chatelier's principle Le-chatelier's principle

The correct option is B
Le-chatelier's principle

Le-chatelier's principle