(C) At high altitude,the atmospheric pressure is lower than at sea level. Because the boiling point of a liquid is dependent on the external pressure,

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(C) At high altitude,the atmospheric pressure is lower than at sea level. Because the boiling point of a liquid is dependent on the external pressure,liquids boil at lower temperatures at high altitudes. Since the food is cooked at a lower temperature,it takes more time to cook. Therefore,a pressure cooker is used to increase the internal pressure,which raises the boiling point of water and facilitates faster cooking.

Class 11 Chemistry States of Matter Characteristics and Measurable properties of gases

Easy

$A$ person living in $Manali$ observed that cooking food without using a pressure cooker takes more time. The reason for this observation is that at high altitude:

A
pressure increases
B
temperature decreases
C
pressure decreases
D
temperature increases

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States of Matter

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Characteristics and Measurable properties of gases

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$A$ person living in $Manali$ observed that cooking food without using a pressure cooker takes more time. The reason for this observation is that at high altitude:

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$360 \ cm^3$ of a hydrocarbon diffuses in $30$ minutes, while under the same conditions $360 \ cm^3$ of $SO_2$ gas diffuses in one hour. The molecular formula of the hydrocarbon is

Mountaineers carry oxygen cylinders with them because ...

$A$ neon-dioxygen mixture contains $64 \ g$ $O_2$ and $160 \ g$ $Ne$. If the total pressure is $25 \ bar$,calculate the partial pressure of dioxygen. (in $bar$)

$A$ closed vessel contains an equal number of molecules of $N_2$ and $O_2$ at a pressure of $650 \ mm$. If $N_2$ is completely removed,what will be the pressure in the vessel?

The normal boiling point of water at $760 \, mm$ is $373 \, K$. The vapor pressure of water at $298 \, K$ is $23 \, mm$. If the enthalpy of vaporization is $40.656 \, kJ/mol$,then its boiling point at $23 \, mm$ pressure will be ........... $K$.

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