Others Trial 2023 Chemistry Kertas 1 · MRSM

Chemistry

Others Trial 2023 Chemistry Kertas 1 · MRSM

• Trial MRSM · 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

Diagram 1 shows the structural formula of substance X. What is the type of particle of substance X?

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A Ion B Atom C Molecule

T4 Chapter 2.1 Basic Concepts of Matter

2

Diagram 2 shows the apparatus set-up to determine the empirical formula of metal oxide Q. What is metal Q?

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A Lead B Silver C Copper D Magnesium

T4 Chapter 3.3 Chemical Formula

3

Diagram 3 shows part of the Periodic Table of Elements. M, N, O and P do not represent the actual symbols of the elements. Which of the following shows correctly the groups for M, N, O and P?

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A Noble gas: M; Alkaline earth metal: O; Halogen: N; Alkali metal: P B Noble gas: N; Alkaline earth metal: P; Halogen: O; Alkali metal: M C Noble gas: P; Alkaline earth metal: N; Halogen: M; Alkali metal: O D Noble gas: P; Alkaline earth metal: N; Halogen: O; Alkali metal: M

T4 Chapter 4.2 The Arrangement in the Periodic Table of Elements

4

Which of the following compounds can form hydrogen bonds?

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A Hydrogen chloride, $\text{HCl}$ B Hydrogen fluoride, $\text{HF}$ C Hydrogen gas, $\text{H}_2$ D Methane, $\text{CH}_4$

T4 Chapter 5.4 Hydrogen Bond

5

Which of the following is a weak acid?

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A Hydrochloric acid B Sulphuric acid C Ethanoic acid D Nitric acid

T4 Chapter 6.3 Strength of Acids and Alkalis

6

The following chemical equation shows a reaction between magnesium and sulphuric acid. $$\text{Mg} + \text{H}_2\text{SO}_4 \xrightarrow{\text{CuSO}_4} \text{MgSO}_4 + \text{H}_2$$ Which of the following statements is true about $\text{CuSO}_4$ in the reaction?

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A Alters the rate of reaction B Increases the quantity of product C Its chemical properties change D The mass of $\text{CuSO}_4$ decreases at the end of the reaction

T4 Chapter 7.2 Factors Affecting Rate of Reactions

7

Advanced ceramics are made from inorganic compounds such as oxides, carbides and nitrides. Which of the following is made from advanced ceramics?

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A B C D

T4 Chapter 8.3 Composition of Ceramics and Its Uses

8

Which of the following shows a reduction reaction?

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A A magnesium atom donates electrons to form a magnesium ion B Lead(II) oxide loses oxygen when it reacts with hydrogen gas C Ammonia loses hydrogen to form nitrogen when it reacts with copper(II) oxide D The oxidation number of zinc increases from 0 to +2

T5 Chapter 1.1 Oxidation and Reduction

9

Which of the following substances will undergo chemical changes when electricity is passed through it?

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A Molten naphthalene B Glucose solution C Solid lead(II) bromide D Potassium nitrate solution

T5 Chapter 1.4 Electrolytic Cell

10

What is the functional group of 2,3-dimethylbutan-2-ol?

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A B C D

T5 Chapter 2.2 Homologous Series

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