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Fertiliser Technology

Q1: Pick out the wrong statement.

A Yellow phosphorous which is the most reactive allotropic form of phosphorous is transported under water.

B Apatite is the principal material present in phosphate rock which is chemically Ca10 (PO4)6 (F, Cl, OH).

C Urea is more hygroscopic than ammonium nitrate.

D Nitrogen fixation means the process of bringing atmospheric nitrogen into combination i.e. into nitrogen compound form.

ANS:C - Urea is more hygroscopic than ammonium nitrate.

The wrong statement is: "Yellow phosphorous, which is the most reactive allotropic form of phosphorus, is transported under water." In reality, yellow phosphorus, being highly reactive, is not transported under water due to the risk of ignition. Instead, it is transported and stored under inert gases like nitrogen to prevent contact with air, which could lead to spontaneous combustion. Therefore, the transportation of yellow phosphorus typically involves specialized precautions to minimize the risk of ignition, but it is not transported under water.



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