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Others Trial 2024 Chemistry Kertas 1 · MRSM

1
Diagram 1 shows an atomic model. Which of the following scientist discovered this model?
2
What is the chemical formula of tin (IV) oxide?
3
Which of the following statement is a special characteristic for transition elements?
4
Diagram 2 shows the standard representation for potassium-39. Which of the following is correct for K^+ ion?
5
Table 1 shows the position of element L and M in the Periodic Table of Elements. What is the chemical formula of the compound formed between element L and M ?
6
What is the unit for molar volume of gas?
7
Element X is located in the same group as caesium in the Periodic Table of Elements. Which of the following statements are chemical properties of element X? I Reacts with water to produce an alkaline solution and hydrogen gas II Reacts with oxygen to produce a black solid III Reacts with chlorine gas to produce a white solid IV Reacts with sodium hydroxide solution to produce an insoluble salt
8
Table 2 shows electron arrangement of four atoms. Based on information in Table 2, which pair of elements that form a compound that consists of neutral particles?
9
Which of the following salt does not dissolve in water but dissolve when heated to produce a colourless solution?
10
Diagram 3 shows bond X between water molecules. What is bond X ?
11
Which of the following statement best describes the condition required for a reaction to occur?
12
A student adds sodium chloride solution into a beaker containing a nitrate salt solution and white precipitate is formed. What are the free moving ions present when the reaction is completed? I Nitrate ion II Sodium ion III Lead(II) ion IV Chloride ion
13
Which of the following can be used to make a glass pot for cooking?
14
The following equation shows the reaction between zinc powder and 100 cm^3 of 1.0 mol dm^-3 nitric acid. Zn + 2HNO_3 → Zn(NO_3)_2 + H_2 What can be done to increase the rate of production of hydrogen gas?
15
Ceramics, glass, alloy and composite materials are manufactured substances in industry. Which statement is correct about these substances?
16
Diagram 4 shows the apparatus set-up to determine the rate of reaction through the changes in mass. What is the measurable change to determine the rate of reaction other than changes in mass?
17
Ozone, O_3 is a gas consists of three oxygen atoms. What is the oxidation number of oxygen in ozone molecule?
18
Diagram 5 shows the water treatment process. What is Q process?
19
The following chemical equation represents a redox reaction. X_2 + 2K Br -> 2K X + Br_2 Element X is located in Group 17 in the Periodic Table of Elements. What is the expected observation when element X is replaced by iodine?
20
Which of the following properties is true about a hydrogen sulphide?
21
Which of the following compound is a saturated hydrocarbon?
22
Vinegar contains mixture of water and ethanoic acid, CH_3COOH. What is the molarity of vinegar with a concentration of 40 g dm^{-3}? [Molar mass of ethanoic acid, CH_3COOH = 60 g mol^{-1}]
23
Diagram 6 shows an apparatus set-up for a chemical reaction. What is the product of this reaction?
24
Diagram 7 shows the energy level diagram that represents the reaction between Q and R. What is the value of the activation energy of the reaction?
25
The heat change when sulphuric acid reacts with magnesium to produce one mol of magnesium sulphate is 467 kJ. Which of the following energy level diagram represents the reaction?
26
Diagram 8 shows the uses of product W in daily life. Which of the following is the main component in product W ?
27
What is the function of sodium tripolyphosphate in detergents?
28
Diagram 9 shows two types of rubber P and Q. Which of the following is true about the properties of rubber P and rubber Q?
29
Diagram 10 shows the structural formula of a triglyceride molecule. What is the molecular formula for fatty acid in the triglyceride molecule?
30
The following equation shows a complete combustion for 4.4 g of propane gas. C3H8 + 5O2 -> 3CO2 + 4H2O What is the volume of carbon dioxide gas produced at room condition? [Relative atomic mass: H = 1, C = 12; 1 mol of gas occupies 24 dm3 at room conditions]
31
Which of the following chemical equations is balanced correctly?
32
Which of the following gases contains 1.2 mol of atoms at room conditions? [1 mol of gas occupies 24 dm^3 at room conditions]
33
Diagram 11 shows an apparatus set-up for a laboratory activity to prepare sodium hydroxide solution through the dilution method. What is the volume of distilled water needed to prepare 0.6 mol dm^-3 sodium hydroxide solution?
34
Diagram 12 shows standard representation for atom X and atom Y. What is the relative molecular mass of the compound formed between atom X and atom Y?
35
Diagram 13 shows the graph for the reaction between sulphuric acid and excess zinc powder in two sets of experiment, Set I and Set II. Which of the following changes explain the difference between Set I and Set II?
36
Diagram 1.4 shows an apparatus set-up for an experiment. Given; | Tindak balas sel setengah Reaction of half-cell | E^0 (V) (298 K) | | :------------------------------------------------ | :--------------: | | I_2 + 2e \rightleftharpoons 2I^- | + 0.54 | | H_2O_2 + 2H^+ + 2e \rightleftharpoons 2H_2O | + 1.77 | Which of the following statement is correct about the reaction?
37
Diagram 15 shows the apparatus set-up for a chemical cell. Given: | Tindak balas sel setengah Reaction of half-cell | E^0 (V) (298 K) | |---|---| | Mg^2+ + 2e <=> Mg | -2.38 | | Ag^+ + e <=> Ag | +0.80 | Which of the followings show the overall ionic equation and the value of cell voltage for the chemical cell?
38
Diagram 16 shows the apparatus set-up for the electrolysis process of 25.0 cm^3 of copper(II) sulphate solution using a certain mass of carbon electrodes. The electrolysis process is stopped when blue copper(II) sulphate solution turns colourless. The final mass of carbon cathode is 5.6 g. What is the molarity of the copper(II) sulphate solution used? [Relative atomic mass: O = 16, S = 32, Cu = 64]
39
Diagram 17 shows a flow chart for series of reactions on salt V. Which of the following is correct about W, X and Y ?
40
Diagram 18.1 shows two chemical cells with copper as cathode and their cell voltage, E^0_cell respectively. Diagram 18.2 shows two sets of experiments, Set I and Set II to compare heat of displacement of silver from silver nitrate solution by metal X and metal Y. During reactions, both containers becomes hot. Which of the following statement best describe experiments in Diagram 18.2?
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