Read the following passage and answer the question at the end of it.

1.	Read the following passage and answer the question at the end of it. The mixing of different gases by random molecular motion and with frequent collisions is called diffusion. A similar process in which gas molecules escape without collision through a tiny hole into a vacuum is called effusion. 1. Select the correct alternate(s). (a) All gases spontaneously diffuse into one another when they are brought into contact. (b) Diffusion into a vacuum will take place much more rapidly than diffusion into another gas. (c) Both the rate of diffusion of a gas and its rate of effusion depend on its molar mass. (d)All of the above statements are correct 2. The stopcock of the bulbs X (containing NH3 and Y (containing HCl) are opened simultaneously. White fumes of NH4Cl are formed at point B. If AB = 36.5 cm, then BC is approximately
Answer» Read the following passage and answer the question at the end of it. The mixing of different gases by random molecular motion and with frequent collisions is called diffusion. A similar process in which gas molecules escape without collision through a tiny hole into a vacuum is called effusion. 1. Select the correct alternate(s). (a) All gases spontaneously diffuse into one another when they are brought into contact. (b) Diffusion into a vacuum will take place much more rapidly than diffusion into another gas. (c) Both the rate of diffusion of a gas and its rate of effusion depend on its molar mass. (d)All of the above statements are correct 2. The stopcock of the bulbs X (containing $N H_{3}$ and Y (containing HCl) are opened simultaneously. White fumes of $N H_{4} C l$ are formed at point B. If AB = 36.5 cm, then BC is approximately

Read the following passage and answer the question at the end of it. The mixing of different gases by random molecular motion and with frequent collisions is called diffusion. A similar process in which gas molecules escape without collision through a tiny hole into a vacuum is called effusion. 1. Select the correct alternate(s). (a) All gases spontaneously diffuse into one another when they are brought into contact. (b) Diffusion into a vacuum will take place much more rapidly than diffusion into another gas. (c) Both the rate of diffusion of a gas and its rate of effusion depend on its molar mass. (d)All of the above statements are correct 2. The stopcock of the bulbs X (containing NH3 and Y (containing HCl) are opened simultaneously. White fumes of NH4Cl are formed at point B. If AB = 36.5 cm, then BC is approximately

Answer»

The mixing of different gases by random molecular motion and with frequent collisions is called diffusion. A similar process in which gas molecules escape without collision through a tiny hole into a vacuum is called effusion.

1. Select the correct alternate(s).

(a) All gases spontaneously diffuse into one another when they are brought into contact.

(b) Diffusion into a vacuum will take place much more rapidly than diffusion into another gas.

(d)All of the above statements are correct

2. The stopcock of the bulbs X (containing $N H_{3}$ and Y (containing HCl) are opened simultaneously. White fumes of $N H_{4} C l$ are formed at point B. If AB = 36.5 cm, then BC is approximately

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