Which one of the following statements is not | vedclass

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(C) Physical adsorption (physisorption) is characterized by weak van der Waals forces between the adsorbate and the adsorbent. $1$. It is an exothermi

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Activation energy of physical adsorption is very high

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(C) Physical adsorption (physisorption) is characterized by weak van der Waals forces between the adsorbate and the adsorbent. $1$. It is an exothermic process,so it decreases with an increase in temperature. $2$. It is multilayered due to the non-specific nature of van der Waals forces. $3$. The enthalpy of adsorption is low,typically in the range of $20-40 \ kJ \ mol^{-1}$. $4$. Since it involves weak forces,the activation energy required for physical adsorption is very low,not high. Therefore,the statement that the activation energy of physical adsorption is very high is incorrect.

Column-$I$	Column-$II$
$(1)$ Oxytocin	$(p)$ Stimulates the secretion of thyroid hormone
$(2)$ Vasopressin	$(q)$ Act on the smooth muscles
$(3)$ $FSH$ and androgens	$(r)$ Stimulates resorption of water
$(4)$ $TSH$	$(s)$ Regulate spermatogenesis

Which one of the following statements is not correct?

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Match the following:
Column-$I$ Column-$II$
$(1)$ Oxytocin $(p)$ Stimulates the secretion of thyroid hormone
$(2)$ Vasopressin $(q)$ Act on the smooth muscles
$(3)$ $FSH$ and androgens $(r)$ Stimulates resorption of water
$(4)$ $TSH$ $(s)$ Regulate spermatogenesis

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