Johor Trial 2023 Chemistry Kertas 1 · Muar

Chemistry

Johor Trial 2023 Chemistry Kertas 1 · Muar

• Johor Trial Muar · 2023
• 40 questions

Answers

From the paper’s own answer key

Explanations

Written by AI — a study aid, may contain mistakes

Last updated

2026-10-29

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1

Which of the following is correct?

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A Ernest Rutherford – neutron B J. J. Thomson – electron C James Chadwick – proton D John Dalton – proton

T4 Chapter 2.2 The Development of the Atomic Model

2

Diagram 1 shows the arrangement of particles in three states of matter at room temperature. What are substances P, Q and R at room temperature?

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A P: Water; Q: Glucose; R: Hydrogen B P: Water; Q: Hydrogen; R: Glucose C P: Glucose; Q: Hydrogen; R: Water D P: Hydrogen; Q: Water; R: Glucose

T4 Chapter 2.1 Basic Concepts of Matter

3

Which of the following are the symbols for the elements chromium, manganese and potassium?

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A Chromium: C; Manganese: Mg; Potassium: K B Chromium: C; Manganese: Mn; Potassium: P C Chromium: Cr; Manganese: Mg; Potassium: P D Chromium: Cr; Manganese: Mn; Potassium: K

T4 Chapter 4.4 Elements in Group 1 T4 Chapter 4.7 Transition Elements

4

Elements in the Periodic Table are arranged according to an increase in

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A proton number B nucleon number C relative atomic mass D relative molecular mass

T4 Chapter 4.2 The Arrangement in the Periodic Table of Elements

5

Which compound is formed by transferring electrons?

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A Oxygen B Carbon dioxide C Sodium chloride D Hydrogen peroxide

T4 Chapter 5.2 Ionic Bond

6

What is the period for an element with proton number 20?

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A 5 B 4 C 3 D 2

T4 Chapter 4.2 The Arrangement in the Periodic Table of Elements

7

Which of the following is an element?

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A Ammonia B Methane C Naphthalene D Oxygen

T4 Chapter 2.1 Basic Concepts of Matter

8

Which of the following is a use of cobalt-60?

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A Estimate the age of fossils B Investigate the metabolism in plants C Sterilise surgical instruments D Treat thyroid disease

T4 Chapter 2.4 Isotopes and Its Uses

9

Which of the following is a use of a Group 18 element?

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A Helium is used in lighthouse lamps B Neon is used in advertising board lights C Krypton is used in clothes bleach D Xenon is used in weather balloons

T4 Chapter 4.3 Elements in Group 18

10

Which of the following is true about the properties of the oxides of elements when going across Period 3?

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A Na_2O is a basic oxide B Al_2O_3 is an acidic oxide C SiO_2 is a basic oxide D MgO is an acidic oxide

T4 Chapter 4.6 Elements in Period 3

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