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WorksheetsBab4 : Kadar Tindak Balas Ting.5
Total questions: 10
Worksheet time: 10mins
Manakah antara berikut merupakan contoh tindak balas perlahan?
Which of the following is an example of slow reaction?
Pembakaran bunga api
Burning of fireworks
Tindak balas natrium dengan air
Reaction of sodium with water
Pengaratan besi
Rusting of iron
Pembakaran kertas
Burning of a piece of paper
Antara pernyataan berikut, yang manakah benar tentang kadar tindak balas?
Which of the following statement is true about rate of reaction?
Tindak balas adalah cepat jika tenaga pengaktifan adalah tinggi
Reaction is faster if the activation energy is higher
Kadar tindak balas berganda dua apabila jumlah mangkin adalah dua kali ganda
The rate of reaction is double when the quantity of catalyst is double
Kadar tindak balas adalah malar jika tindak balas dijalankan pada suhu yang tinggi
The rate of reaction is constant if the reaction is carry out at a higher temperature
Kadar tindak balas meningkat apabila kepekatan salah satu bahan tindak balas meningkat
The rate of reaction will increased when the concentration of the reaction substance increases
Rajah 1 menunjukkan graf isi padu gas melawan masa.
Diagram 1 shows a graph of volume of gas against time.
Manakah antara titik berikut menunjukkan kadar tindak balas paling tinggi?
Which of the following point shows the highest rate of reaction?
S
T
U
V
Rajah 2 menunjukkan suatu tindak balas kimia.
Diagram 2 shows a chemical reaction.
Manakah antara berikut tindakan yang meningkatkan kadar tindak balas?
Which of the following action increases the rate of reaction?
Tambahkan air ke dalam asid
Add water to the acid
Guna bekas yang lebih besar
Use a larger container
Guna kalsium karbonat yang bersaiz besar
Use bigger size of calcium carbonate
Guna kalsium karbonat yang bersaiz kecil
Use smaller size of calcium carbonate
Bagaimanakah masa tindak balas antara jalur magnesium dan 25 cm3 asid nitrik 2.0 mol dm-3 dapat dipanjangkan?
How to increase the time reaction between a magnesium ribbon and 25 cm3 of 2.0 mol dm-3 nitric acid?
Panaskan larutan asid
Heat the acid solution
Tambahkan air suling ke dalam larutan asid
Add distilled water into the acid solution
Tambahkan kuprum(II) sulfat ke dalam larutan
Add copper(II) sulphate into the mixture
Tambahkan beberapa titis asid hidroklorik pekat ke dalam campuran
Add a few drops of concentrated hydrochloric acid into the mixture
Rajah 3 menunjukkan graf isi padu gas hidrogen melawan masa
Diagram 3 shows the graph of volume of hydrogen gas against time.
Hitung kadar tindak balas purata pada 3 minit yang pertama.
Calculate the average rate of reaction for the first 3 minutes.
0.097 cm3 s-1
0.194 cm3 s-1
0.146 cm3 s-1
1.167 cm3 s-1
Jadual 1 menunjukkan jisim ammonia yang dihasilkan pada suhu berbeza dalam suatu proses Haber.
Table 1 shows the mass of ammonia produced at different temperature in the Haber process.
Manakah antara suhu berikut menunjukkan kadar penghasilan ammonia paling tinggi?
Which of the following temperature shows the highest rate of ammonium production?
300 0C
450 0C
600 0C
750 0C
Persamaan kimia di bawah menunjukkan tindak balas antara gas nitrogen dan hidrogen untuk menghasilkan ammonia.
The chemical equation below shows the reaction between nitrogen and hydrogen gas to form ammonia.
Mengapakah serbuk ferum digunakan dalam tindak balas ini?
Why iron filings is used in this reaction?
Meningkatkan tenaga kinetik molekul nitrogen dan hidrogen
Increase the kinetic energy of nitrogen and hydrogen molecules
Meningkatkan kepekatan gas hidrogen dan nitrogen
Increase the concentration of nitrogen and hydrogen gas
Tenaga pengaktifan tindak balas direndahkan
The activation energy of the reaction is lowered
Membantu menghasilkan gas ammonia yang banyak
Helps in producing more ammonia gas
Manakah antara proses berikut akan menghasilkan asid sulfurik?
Which of the following process is used to produced sulphuric acid?
Proses Haber
Haber Process
Proses Sentuh
Contact Process
Proses fotosintesis
Photosynthesis process
Proses peneutralan
Neutralisation process
Persamaan kimia di bawah menunjukkan peringkat akhir dalam proses Sentuh bagi menghasilkan asid sulfurik.
The chemical equation below shows the final stage in the Contact process to produce sulphuric acid.
Antara berikut, yang manakah merupakan bahan X?
Which of the following is substance X?
Serbuk besi
Iron powder
Kuprum (II) oksida
Copper (II) oxide
Vanadium (V) oksida
Vanadium (V) oxide
Mangan (V) oksida
Manganese (V) oxide
