A.molasses
B.sodium carbonate with lime stone
C.zinc sulphate with lime stone
D.none of the above
Related Mcqs:
- Flux used in cupola while melting cast iron is
- The flux used in blast furnace while melting iron ore is
- As a result of melting of cast iron in cupola, which of the following constituent undergoes least change in its percentage?
- Burgundy mixture contains:
- Which of the following is used as a micronutrient in agriculture?
- Presence of sulphur in cast iron
- Generally for the melting of cast iron, electric furnaces are not used because
- Volume of air required to melt one ton of cast iron in a cupola at N.T.P. is roughly
- The chemical most commonly used to speed sedimentation of sewage is
- For the soldering of galvanized iron the flux used is
