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WorksheetsKuiz Kadar Tindak Balas (GOMBAK)
Total questions: 10
Worksheet time: 6mins
A
B
C
D
The reaction between zinc and hydrochloric acid is represented by the following chemical equation:
Tindakbalas antara zink dengan asid hidroklorik diwakili oleh persamaan kimia berikut
Zn + 2HCl → ZnCl2 + H2
Which of the following methods is the most suitable to determine the rate of the above reaction?
Antara kaedah berikut yang manakah paling sesuai untuk menentukan kadar bagi tindak balas di atas
Determine the change in temperature of the solution with time Menentukan perubahan suhu larutan berkadar dengan masa
Determine the change in the concentration of zinc chloride with time
Menentukan perubahan kepekatan zink berkadar dengan masa
Determine the volume of hydrogen gas given off with time
Menentukan isipadu gas hidrogen yang dihasilkan berkadar dengan masa.
Determine the change in the concentration of hydrochloric acid with time
Menentukan perubahan kepekatan asid hidroklorik berkadar dengan masa,
The graph shows the volume of hydrogen gas produced against time for the reaction between zinc and sulphuric acid.
Graf menunjukkan isipadu gas hydrogen yang dibebaskan melawan masa bagi tindakbalas antara zink dan asid sulfurik..
The gradient of the graph decreases with time because
Kecerunan graf berkurang dengan masa kerana
catalyst is not used.
mangkin tidak digunakan
volume of mixture decreases
isipadu campuran berkurang
temperature of reaction decreases
suhu tindak balas berkurang
concentration of sulphuric acid decreases
kepekatan asid sulfurik berkurang
Which factor does not affect the rate of reaction?
Faktor manakah yang tidak mempengaruhi kadar tindak balas?
Volume of reactant
Isipadu bahan tindak balas
Concentration of reactant
Kepekatan bahan tindak balas
Temperature of reactant
Suhu bahan tindak balas
Size of solid reactant
Saiz pepejal bahan tindak balas
The time taken for 2 g of magnesium powder to react completely with excess hydrochloric acid is 5 minutes. What is the average rate of the reaction?
Masa yang diambil untuk 2 g serbuk magnesium bertindak balas lengkap dengan asid hidroklorik berlebihan ialah 5 minit.
Berapakah kadar purata bagi tindak balas ini?
0.4 g s-1
0.4 g min-1
2.5 g s-1
2.5 g min-1
Magnesium reacts with hydrochloric acid according to the equation below:
Magnesium bertindak balas dengan asid hidroklorik berdasarkan persamaan di bawah:
Mg (s) + 2HCl (aq) ----> MgCl2 (aq) + H2 (g)
Which of the following graphs of volume (V) of hydrogen gas against time (t) is correct?
Manakah antara graf isipadu(V) gas hydrogen melawan masa(t) berikut adalah betul?
Which of the following explain the meaning of effective collision?
Antara pernyataan berikut, yang manakah menjelaskan maksud perlanggaran berkesan?
The collision where its energy is less than activation energy
Tindak balas yang tenaganya kurang daripada tenaga pengaktifan
The collision that has low energy
Perlanggaran yang mempunyai tenaga yang rendah
The collision that produces the product
Perlanggaran yang menghasilkan hasil tindak balas
The collision which take place before a reaction
Perlanggaran yang berlaku sebelum sesuatu tindak balas
Which process has the lowest rate of reaction?
Proses manakah yang mempunyai kadar tindak balas yang paling rendah?
Combustion
Pembakaran
Fermentation
Penapaian
Neutralisation
Peneutralan
Photosynthesis
Fotosintesis
Which of the following factors does not affect the rate of a reaction?
Antara faktor-faktor berikut, yang manakah tidak mempengaruhi kadar sesuatu tindak balas?
The presence of a catalyst
Kehadiran mangkin.
The concentration of the reactant
Kepekatan bahan tindak balas
The total surface area of the solid reactant
Jumlah luas permukaan bahan tindak balas pepejal
The mass of the solid reactant
Jisim bahan tindak balas pepejal
Table 6 shows the volume of gas release at interval time of 30 seconds in an experiment to determine the rate of reaction .
Jadual 6 menunjukkan isipadu gas yang terbebas pada sela masa 30 saat dalam satu eksperimen untuk menentukan kadar tindak balas.
What is the average rate of reaction in the second minute?
Apakah kadar tindak balas purata dalam minit kedua?
0.06 cm3s-1
0.12 cm3s-1
0.37 cm3s-1
7.00 cm3s-1
