208
Question
Valves of an iron chamber used in the manufacturing of superphosphate opens in a big chamber called _________.
Valves of an iron chamber used in the manufacturing of superphosphate opens in a big chamber called _________.
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Solution
The correct option is C den
A well powdered phosphate rock or bone ash mixed known
quantity of concentrate sulphuric acid is introduced into a cast iron chamber
provided with mechanical stirrer and two valves at bottom. Each valve opens in
a big chamber called den. The mixture is stirred for 2 to 5 minutes and
then dumped mechanically into one of the
dens through the valve. The mass is kept in the den for about 24 hours.
A well powdered phosphate rock or bone ash mixed known quantity of concentrate sulphuric acid is introduced into a cast iron chamber provided with mechanical stirrer and two valves at bottom. Each valve opens in a big chamber called den. The mixture is stirred for 2 to 5 minutes and then dumped mechanically into one of the dens through the valve. The mass is kept in the den for about 24 hours.
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