TEST - 42 ( Principles of Metallurgy )
EFFORTS NEVER FAIL
NAME : *
1. The substance added to remove the impurity is *
1 point
2. The most abundent metal in he earth's crust is *
1 point
3. group elements are called chalcogens. *
1 point
4. Low boiling metals are purified by method. *
1 point
5. The part of Furnace where we keep Fuel for burning is *
1 point
6. During corrosion process takes place. *
1 point
7. is the place inside the furnace where the ore is kept for heating purpose. *
1 point
8. is an alloy of copper and tin. *
1 point
9. The impurities like clay in a ore is called *
1 point
10. process involves the reaction of metal oxides with aluminium. *
1 point
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