(a) (i) Nitrogen and hydrogen
(ii) Platinum
(iii) 4NH3(g) + 5O2(g)-------> Platinum 4NO(g) + 6H2O(g)
(iv) Neutralization
(v) The concentrated nitric acid oxidizes sulphur to sulphuric VI acid. The acid is
reduced to nitrogen (IV) oxide
S(s) + 6HNO3(l)--------> H2SO4(aq) + 6NO2(g) + 2H2O(l)
(vi) Any metal above copper but below sodium in the reactivity series.
(vii) (i) J – NH4NO3
(ii) Molar mass NH4NO3 = 28 + 4 +48 = 80g
Therefore 80g of NH4NO3 contain 28g of nitrogen
14g of nitrogen would be contained in 14/28 x 80
= 40g of NH4NO3
(b) (NH4)3 PO4 is less soluble hence it is less easily leached from the soil.
-(NH4)3 PO4 ( provides the plant with nitrogen and phosphorous.
sharon kalunda answered the question on May 17, 2019 at 09:21
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