Putrajaya Trial 2026 Chemistry Kertas 1

Chemistry

Putrajaya Trial 2026 Chemistry Kertas 1

• Putrajaya Trial
• 40 questions
• With explanations

1

The number of protons and neutrons is known as the

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A atomic number B nucleon number C electron number D charge number

T4 Chapter 2.3 Atomic Structure

2

Diagram 1 shows the arrangement of particles of substance X. What is the state of matter of substance X?

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A Gas B Solid C Liquid D Liquid-gas

T4 Chapter 2.1 Basic Concepts of Matter

3

Which of the following contains 6.02 × 10²³ mol⁻¹ atoms?

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A 1 mol of sodium chloride B 1 mol of ozone gas C 1 mol of iron D 1 mol of carbon dioxide

T4 Chapter 3.2 Mole Concept

4

What is the number of mole of 56.4 g copper(II) nitrate, Cu(NO₃)₂? [Relative atomic mass: O = 16, Cu = 64, N = 14]

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A 3.33 mol B 0.32 mol C 0.45 mol D 0.30 mol

T4 Chapter 3.2 Mole Concept

5

Table 1 shows noble gas elements and its uses. | | Element | Uses | |---|---|---| | I | Argon | Used in lasers to treat eye retina | | II | Krypton | Used in flashlight of camera | | III | Xenon | To fill in light bulb | | IV | Radon | Used to treat cancer | Which pair is correctly matched?

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

T4 Chapter 4.3 Elements in Group 18

6

Diagram 2 below shows the electron arrangement of calcium oxide. Which of the following about calcium oxide is **correct**?

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A Calcium atom shares electrons with oxygen atom. B Calcium atom transfers electrons to oxygen atom. C Oxygen atom donates electrons. D Calcium atom receives electrons.

T4 Chapter 5.2 Ionic Bond

7

Which particle causes dilute sulphuric acid to show its acidic property?

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A H⁺ B OH⁻ C SO₄²⁻ D H₂SO₄

T4 Chapter 6.1 The Role of Water in Showing Acidic and Alkaline Properties

8

Amin has added catalyst into the reaction between zinc and hydrochloric acid. How does the catalyst increase the rate of reaction?

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A A catalyst increases the activation energy of the reaction B A catalyst provides an alternative pathway with a lower activation energy C A catalyst increases the concentration of the reactants D A catalyst adds heat to the reaction to speed up the rate of reaction

T4 Chapter 7.2 Factors Affecting Rate of Reactions T4 Chapter 7.4 Collision Theory

9

Helmet made of composite material are a combination of plastic as matrix substance and fiberglass as strengthening material. Which of the following is a basic property of composites? I Low stretching strength II Heat insulator III Resistant to corrosion IV Flexible

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

T4 Chapter 8.4 Composite Materials and Its Importance

10

Diagram 3 below shows an apparatus made of glass. Which glass is most suitable to make the above apparatus?

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A Lead glass B Soda lime glass C Borosilicate glass D Fuse glass

T4 Chapter 8.2 Composition of Glass and Its Uses

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