1.

If the ratio of the rates of diffusion of two gases A and B is 4 : 1, then what is the ratio of densitiesof B and A ?

Answer»

`16 : 1 `
`1 : 16 `
`2 : 1 `
`1 : 2 `

SOLUTION :`r_1/r_2=sqrt(d_2/d_1)`
`4/1=sqrt(d_2/d_1)`
`16/1=d_2/d_1`


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