Question

what is the reason performing NH4Cl ring near HCl in the activity

Answer 1

The reason is that the NH4CL is lighter gas than Hcl AND diffuse faster than HCL

Answer 2

Answer:

In the given activity, the reason performing NH4Cl ring near HCl in the activity is that the gas NH4Cl is lighter gas than HCl.

Therefore, it diffuses in a faster speed than that of the HCL.

This is why, the reason is that the NH4Cl ring is near.

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