What is Poling ?
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In this case, metal is stirred with green poles of wood.
Hydrocarbons of wood reduce any oxide present in the metal.
Large quantities of air is also sucked up when molten matter
is stirred. This oxidises the impurities presenting metal.
| Is This Answer Correct ? | 8 Yes | 3 No |
Answer / x x x
THE IMPURE METAL IS MELTED AND THE MOLTEN METAL IS STIRRED
WITH LOGS OF GREEN WOOD.THE IMPURITIES ARE REMOVED EITHER
AS GASES OR THEY GET OXIDISED FORMING SCUM OVER THE MOLTEN
METAL.
| Is This Answer Correct ? | 2 Yes | 1 No |
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