SPM Chemistry 2026 Trial MRSM Kertas 1 – 40 Questions with Answers

Which of the following scientist discovered neutron?

A John Dalton B J. J Thomson C James Chadwick D Ernest Rutherford

Which of the following is the correct definition of relative atomic mass?

A Average mass of one atom of the element ÷ The mass of one carbon-12 atom B Average mass of one atom of the element ÷ (12 × the mass of one carbon-12 atom) C Average mass of one atom of an element ÷ (1/12 × mass of one carbon-12 atom) D Mass of one carbon-12 atom ÷ (1/12 × average mass of one carbon-12 atom)

How does the elements are arranged in the Periodic Table of Elements?

A Descending order of atomic size B Ascending order of nucleon number C Descending order of number of neutron D Ascending order of proton number

Diagram 1 shows the electron arrangement of two compounds. Which of the following statement is true about the formation of chemical bond for both compounds?

A Atoms of the elements form chemical bond through sharing or transfer of electrons B All atoms of elements can achieve stable duplet and octet electron arrangement C Atoms of the elements can form ionic bond through sharing of electrons D Atoms of the elements can form neutral molecules only

Which of the following solutions with the same volume and concentration has the lowest number of hydroxide ions per unit volume?

A Ammonia B Sodium hydroxide C Barium hydroxide D Calcium hydroxide

The following chemical equation shows a reaction of ethene. > C₂H₄ + H₂ —(Ni, 180 °C)→ C₂H₆ Which of the following is true about nickel, Ni?

A Change the rate of reaction and the quantity of the product B Change the rate of reaction and the quantity of reactants C Change the rate of reaction without undergoes physical changes D Change the rate of reaction without undergoes chemical changes

Diagram 2 shows changes to the spectacles in two different situations. Which of the following substances are used to make the glass of the spectacles? I Silver chloride II Silver nitrate III Copper(I) chloride IV Copper(II) carbonate

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

Which of the following materials and characteristics are correctly matched?

A Material: Alloy; Characteristic: Hard and resistance to corrosion B Material: Fibre glass; Characteristic: Can transmit data C Material: Superconductor; Characteristic: No electrical resistance at high temperature D Material: Reinforced concrete; Characteristic: Strong and can withstand high pressure

Diagram 3 shows a half-cell. What is the function of platinum(IV) oxide in the cell?

A Adsorbs oxygen gas B Acts as an inert electrode C Increases the surface area of platinum D Determine the standard hydrogen electrode value

Diagram 4 shows a chemical reaction involving long-chain hydrocarbon. What is reaction Q?

A Fractional distillation B Polymerisation C Oxidation D Cracking

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Others Trial 2026 Chemistry Kertas 1 · MRSM

Others Trial 2026 Chemistry Kertas 1 · MRSM

Others Trial 2026 Chemistry Kertas 1 · MRSM

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