1.

The composition of compound A is 40% X and 60Y. The composition of compound B is 25% X and 75%Y. According to the law of multiple Proportions the ratio of the weight of element Y in compounds A and B is:

Answer»

`1:2`
`2:1`
`2:3`
`3:4`

SOLUTION :`{:(,X,Y),(Ararr,1,(60)/(40)),(Brarr,1,(75)/(25)):}`


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