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8.2 Sains T4

Total questions: 5

Worksheet time: 3mins

Name
Class
Date
1.
The following statement is true about Haber process, except.
Pernyataan di bawah adalah benar tentang proses Haber, Kecuali
a)
Reaction is reversible. Merupakan tindakbalas berbalik
b)
The suitable temperature is 450 – 500 0C Suhu yang paling sesuai ialah 450-500 0C
c)
Releasing heat in the backward reaction. Membebaskan haba semasa tindakbalas kebelakang
d)
The optimum pressure is 200 atm Tekanan optimum ialah 200 atm
2.
The information shows a word equation of the Haber process.
Maklumat menunjukkan persamaan perkataan bagi proses Haber.

What happens when the temperature is decreased to 200°C ?
Apakah yang berlaku apabila suhu diturunkan pada 200°C?
a)
Less ammonia is produced Sedikit ammonia dihasilkan
b)
Solid ammonia is produced Pepejal ammonia terhasil
c)
Shorten the time to produced the ammonia Memendekkan masa penghasilan ammonia
d)
Increase the purity of the ammonia produced Meningkatkan ketulenan ammonia yang dihasilkan
3.
Diagram shows an experiment to prepare a nitrogeneous fertilizer.
Rajah menunjukkan eksperimen untuk menghasilkan baja bernitrogen.

Name the fertilizer. Namakan baja itu.
a)
Ammonium phosphate Ammonium fosfat
b)
Ammonium sulphate Ammonium sulfat
c)
Ammonium chloride Ammonium klorida
d)
Ammonium nitrate Ammonium nitrat
4.
The information below shows the industrial products made from substance Q.
Maklumat berikut menunjukkan hasil industri yang diperbuat daripada bahan Q.
  ● Nitric acid Asid nitrik  
● Cleaning agent Agen pencuci  
● Explosives Bahan letupan 


What is Q? Apakah Q?
a)
Ethanol Etanol
b)
Ammonia Ammonia
c)
Sulphur Sulfur
d)
Sulphuric acid Asid sufurik
5.
What is the ratio of nitrogen to hydrogen in the Haber Process?
Apakah nisbah nitrogen kepada hidrogen dalam Proses Haber?
a)
1 : 3
b)
3 : 1
c)
2 : 3
d)
3:2