Johor Trial 2024 Kimia Kertas 1

Kimia

Johor Trial 2024 Kimia Kertas 1

• Percubaan Johor
• 40 soalan
• Ada penerangan

1

Which of the following substances consists of ions?

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A Argon B Copper C Carbon dioxide D Sodium chloride

T4 Chapter 2.1 Basic Concepts of Matter

2

Diagram 1 shows the standard representation of an aluminium atom. $^{27}_{13}\text{Al}$ What is the number of valence electrons of the atom?

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A 3 B 7 C 13 D 14

T4 Chapter 2.3 Atomic Structure

3

Diagram 2 shows the arrangement of particles for a change of state of matter. Which of the following is process W?

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A Sublimation B Condensation C Evaporation D Melting

T4 Chapter 2.1 Basic Concepts of Matter

4

The following chemical equation represents a reaction. $$\text{NaHCO}_3 + \text{HCl} \rightarrow \text{NaCl} + \text{H}_2\text{O} + \text{CO}_2$$ What are the reactants in this equation?

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A Sodium hydrogen carbonate and hydrochloric acid B Sodium hydrogen carbonate and sodium chloride C Sodium chloride, water and carbon dioxide D Sodium carbonate and hydrochloric acid

T4 Chapter 3.4 Chemical Equation

5

Table 1 shows elements with their respective proton numbers. | Element | Proton number | |---|---| | W | 9 | | X | 11 | | Y | 19 | | Z | 20 | Which pair of elements has the same chemical properties?

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A W and X B W and Y C X and Y D X and Z

T4 Chapter 4.2 The Arrangement in the Periodic Table of Elements

6

Diagram 3 shows four elements in the Periodic Table of Elements. Which of the following elements can be used as a catalyst in a chemical reaction?

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A P B Q C R D S

T4 Chapter 4.7 Transition Elements

7

Diagram 4 shows a student applying solution X to his wound to kill bacteria. Which of the following Group 17 elements is the most suitable to be used to make solution X?

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A Fluorine B Chlorine C Bromine D Iodine

T4 Chapter 4.5 Elements in Group 17

8

Diagram 5 shows a type of bond. What is the name of the bond?

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A Ionic bond B Covalent bond C Metallic bond D Dative bond

T4 Chapter 5.6 Metallic Bond

9

Which of the following statements about the formation of a dative bond is correct?

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A Ammonia when dissolved in water cannot form a dative bond B A pair of electrons shared are from one atom only C It is also known as a metallic bond D It is a type of ionic bond

T4 Chapter 5.5 Dative Bond

10

Which of the following is a soluble salt?

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A Silver chloride B Lead(II) chloride C Sodium sulphate D Barium sulphate

T4 Chapter 6.8 Salts, Crystals and Their Uses in Daily Life

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