Johor Trial 2023 Kimia Kertas 1 · Kota Tinggi · Set 1

Kimia

Johor Trial 2023 Kimia Kertas 1 · Kota Tinggi · Set 1

• Percubaan Johor Kota Tinggi · Set 1 · 2023
• 40 soalan

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2026-10-29

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1

Which of the following statements is true about chemistry?

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A A study about natural minerals and their properties B A study about composition, properties and changes in matter C A study about the relationship between living organisms and chemicals D A study about making of new chemicals

T4 Chapter 1.1 Development in Chemistry Field and Its Importance in Daily Life

2

Which substance is an element?

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A Air B Steam C Carbon D Naphthalene

T4 Chapter 2.1 Basic Concepts of Matter

3

Diagram 1 shows an air balloon filled with gas X. In which group of the Periodic Table is gas X located?

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A Group 15 B Group 16 C Group 17 D Group 18

T4 Chapter 4.3 Elements in Group 18

4

Which statement best explains the formation of a covalent bond?

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A Metal atoms share electrons with non-metal atoms B Non-metal atoms share electrons with non-metal atoms C Metal atoms donate electrons while non-metal atoms accept electrons D Non-metal atoms donate electrons while metal atoms accept electrons

T4 Chapter 5.3 Covalent Bond

5

Which of the following are natural polymers? I Starch II Nylon III Protein IV Polyethene

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A I and II B I and III C II and IV D III and IV

T5 Chapter 4.1 Polymer

6

What is the homologous series for fat?

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A Alkene B Carboxylic acid C Ester D Alcohol

T5 Chapter 5.1 Oils and Fats

7

Which of the following is a fast reaction?

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A Fermentation B Photosynthesis C Combustion D Rusting

T4 Chapter 7.1 Determining Rate of Reaction

8

Which of the following statements explains the meaning of relative atomic mass?

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A The average mass of one atom of an element compared with 12 times the mass of a carbon-12 atom B The average mass of one atom of an element compared with 1/12 times the mass of a carbon-12 atom C The average mass of one molecule of an element compared with 12 times the mass of a carbon-12 atom D The average mass of one molecule of a substance compared with 1/12 times the mass of a carbon-12 atom

T4 Chapter 3.1 Relative Atomic Mass and Relative Molecular Mass

9

Redox reaction is a chemical reaction that involves oxidation and reduction occurring at the same time. Which of the following occurs in a reduction reaction?

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A Gain of oxygen B Loss of hydrogen C Gain of electrons D Increase in oxidation number

T5 Chapter 1.1 Oxidation and Reduction

10

Chemical reactions involve heat changes, whether heat is released or absorbed. Which of the following statements explains the heat change correctly?

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A The burning of ethanol is an endothermic reaction B Heat of reaction is released to the surroundings in an exothermic reaction C ΔH value is positive because heat is released to the surroundings D The total energy content of the products is higher than the total energy content of the reactants

T5 Chapter 3.1 Heat Change in Reactions

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