1.

In a factory, 40 kg of calcium is produced in 2 hours. If capacity of flow of current is 50%, then how much aluminium can be obtained by passing same current for 2 hours ?

Answer»

22 kg
18 kg
9 kg
27 kg

Solution :`(W_(Ca))/(E_(Ca))=(W_(Al))/(E_(Al))`
`therefore (40)/(20)=(W_(Al))/(9)`
`therefore W_(Al)=18KG`.


Discussion

No Comment Found

Related InterviewSolutions