Kedah Trial 2026 Kimia Kertas 1

Kimia

Kedah Trial 2026 Kimia Kertas 1

• Percubaan Kedah
• 40 soalan
• Ada penerangan

1

What is defined as Avogadro's constant, Nᴀ?

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A The mass contained in one mole of a substance B The volume contained in one mole of a substance C The pressure contained in one mole of a substance D The number of particles contained in one mole of a substance

T4 Chapter 3.2 Mole Concept

2

What is the chemical formula of nitrogen monoxide?

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A NO B NO₂ C N₂O D N₂O₃

T4 Chapter 3.3 Chemical Formula

3

Which substance contains double covalent bond?

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A Oxygen gas B Nitrogen gas C Hydrogen gas D Hydrogen chloride gas

T4 Chapter 5.3 Covalent Bond

4

Which statement is correct about the average rate of reaction?

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A Rate of reaction at a particular point of time B Rate of reaction that occurs in a particular time interval C Determined by using the graph only D Determined by measuring the tangent gradient to the curve at that point of time

T4 Chapter 7.1 Determining Rate of Reaction

5

What is the main substance in glass?

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A Silicon dioxide B Aluminium oxide C Boron oxide D Lead(II) oxide

T4 Chapter 8.2 Composition of Glass and Its Uses

6

Which of the following are correct about the reduction reaction? I Gain of electrons II Increasing oxidation number III Loss of oxygen IV Loss of hydrogen

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

T5 Chapter 1.1 Oxidation and Reduction

7

Petroleum is a mixture of simple or long chain hydrocarbon and cannot be used before processing. How are these hydrocarbons separated for daily use?

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A Through cracking process B Through fractional distillation process C Through electrolysis process D Through distillation and dehydration

T5 Chapter 2.1 Types of Carbon Compound

8

Which of the following is an endothermic reaction?

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A Burning of wood B Roast chicken C Welding of railway track D Hot can to heat food

T5 Chapter 3.3 Application of Exothermic and Endothermic Reactions in Daily Life

9

Which of the following criteria should be prioritized when someone is choosing an effective detergent?

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A Additives in the detergant B Antioxidant in the detergent C Physical state of detergent D Colour of detergent

T5 Chapter 5.2 Cleaning Agents

10

Which substance has the highest boiling point?

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A Ethanol B Chlorine C Hydrochloric acid D Ethane

T4 Chapter 5.4 Hydrogen Bond

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