QUESTION 10 (Start on a new page.)
The flow diagram below shows the processes involved in the industrial preparation of
an ammonium fertiliser.
10.1 Write down the NAME or FORMULA of:
10.1.1 Gas X (1)
10.1.2 Gas Y (1)
10.1.3 Acid Q (1)
10.2 Write down the:
10.2.1 TYPE of chemical reaction that converts compound P into gas Y (1)
10.2.2 Balanced equation for the reaction between compound P and
acid Q (3)
10.3 Two separate bags of fertilisers are labelled as follows:
10.3.1 What do the numbers (21) and (27) on the labels represent? (1)
10.3.2 Determine, by means of calculations, which bag (A or B) contains
a greater mass of phosphorous. (4)
[12]
TOTAL: 150