Kertas Soalan Percubaan Pahang Modul Pintas SPM 2023 Kimia Kertas 1 – 40 Soalan Berjawapan

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A — B — C — D —

Which of the following substances exist as molecules?

A Helium B Carbon C Oxygen D Platinum

The following box shows properties of elements in the Periodic Table of Elements. - Act as a catalyst - Able to form coloured ions - Has more than one oxidation number - Forms complex ions Which group of elements fits the characteristics above?

A Group 1 elements B Group 17 elements C Group 18 elements D Transition elements

Silicon dioxide, $\text{SiO}_2$ is a covalent compound with a giant molecular structure. Which of the following is a property of silicon dioxide, $\text{SiO}_2$?

A Small and simple structure B High melting point and boiling point C Strong covalent bonds in the molecule and weak forces of attraction between molecules

Which of the following substances is acidic?

A Ammonia B Potassium oxide C Carbon dioxide D Sodium hydroxide

Limestone is an insoluble salt. Which of the following salts is of the same type as limestone?

A Potassium carbonate B Sodium carbonate C Magnesium carbonate D Ammonium carbonate

Which statement best explains the meaning of effective collision?

A Collisions that occur at high temperatures B Collisions that cause a chemical reaction to occur C Collisions that cause the formation of new bonds D Collisions that occur when reactant particles collide with each other in the correct orientation

The alloying process helps to alter the properties of a pure metal to make it harder and stronger because in this process the foreign atoms that are mixed with the pure metal make

A the arrangement of the pure metal atoms more orderly B the bonds between the pure metal atoms stronger C the layers of pure metal atoms more difficult to slide D the bonds between the pure metal atoms and the foreign metal atoms stronger

Which of the following are oxidising agents? I Potassium iodide II Iron(II) sulphate III Iron(III) chloride IV Acidified hydrogen peroxide

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

Which of the following is the correct match? | | Homologous series | General formula | Name of functional group | |---|---|---|---| | A | Alkane | $\text{C}_n\text{H}_{2n+1}$, n = 1, 2, … | Single bond | | B | Alkene | $\text{C}_n\text{H}_{2n}$, n = 2, 3, … | Double bond | | C | Alcohol | $\text{C}_n\text{H}_{2n+1}\text{COOH}$, n = 0, 1, 2, … | Carboxyl | | D | Carboxylic acid | $\text{C}_n\text{H}_{2n+1}\text{OH}$, n = 1, 2, … | Hydroxyl |

A A B B C C D D

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Pahang Trial 2023 Kimia Kertas 1 · Modul Pintas

Pahang Trial 2023 Kimia Kertas 1 · Modul Pintas

Pahang Trial 2023 Kimia Kertas 1 · Modul Pintas

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