Civil Engineering - Building Materials - Discussion

Discussion Forum : Building Materials - Section 6 (Q.No. 3)

Building Materials

Pick up the correct statement from the following:

Roasting is not necessary if iron ore is an oxide

Impurities float on the molten iron as slag

The slag contains lime about 45%

The molten iron is made to run, in a long channel formed in sand called 'sow'

All the above.

Answer: Option

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