What is Poling ?
Answers were Sorted based on User's Feedback
Answer / guest
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 |
Why is a newly made quit warmer than an old one ?
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?
Explain about Atomic Weight ?
Why dies the water boil below 100 o C on the top of a mountain ?
Is water element or compound ?
Why is an echo not heard in a small room ?
can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification
what is the indicator used?
Mention a few advantages of photoelectric colorimetric determination.
Why is ammonia-ammonium chloride buffer added?
What is the formula you will use to calculate how many millilitres of 5.5 m naoh are required to prepare 400 ml of 1.5m naoh?
What are the electrodes used in potentiometer titration?