1.

Lead is used for making fusible alloy constituted of lead and tin in ________ ratio by mass.

Answer»

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

SOLUTION :Lead is USED for making fusible ALLOY constituted lead andtin in ` 1: 1` ratio by MASS.


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