10.1 The flow diagram below shows how fertiliser B is produced in industry.

Write down the:
10.1.1 NAME of S (1)
10.1.2 NAME of T (1)
10.1.3 NAME or FORMULA of the catalyst used in process 1 (1)
10.1.4 NAME or FORMULA of compound A (1)
10.1.5 NAME of process 2 (1)
10.1.6 Balanced equation for the formation of fertiliser B (3)
10.2 A 20 kg bag of fertiliser is labelled as follows: 2 : 4 : 3 (X).
10.2.1 What does the ratio on the label represent? (1)
10.2.2 The bag contains 2,315 kg phosphorous.
Calculate the value of X (3)
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TOTAL: 150