Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer

1.	Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.
A.	rotary
B.	vacuum
C.	tunnel
D.	tray
Answer» B. vacuum

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Calcium ammonium nitrate (a fertiliser) is dried in a __________ dryer.

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