IGCSE Chemistry 0620/42/F/M/21 Q3

Question

Cher Questions Solution Bank Rumusan Jawapan SPM & IGCSE Questions Answers Solution

3 This question is about ammonia.
(a) Nitrogen reacts with hydrogen to form ammonia in an industrial process.
N2(g) + 3H2(g) –> 2NH3(g)
(i) Name this industrial process.
……………………………………………………………………………………………………………………… [1]

(ii) State the meaning of the symbol .
……………………………………………………………………………………………………………………… [1]

(iii) State the conditions used in this industrial process. Include units.
temperature ……………………………………………..
pressure …………………………………………………..
[2]

(iv) Name the catalyst used in this industrial process.
……………………………………………………………………………………………………………………… [1]

(v) If the pressure is increased, the yield of ammonia increases.
Explain why, in terms of equilibrium.
……………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………… [2]

(vi) If the temperature is increased, the rate of reaction increases.
Explain why, in terms of particles.
……………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………………
……………………………………………………………………………………………………………………… [3]

(b) Ammonia reacts with sulfuric acid to make a compound which is used as a fertiliser.
Write the chemical equation for the reaction between ammonia and sulfuric acid.
……………………………………………………………………………………………………………………………. [2]

New Comer 0

Answer ( 1 )

    0
    2022-07-05T13:56:39+08:00

Leave an answer