C02 - Structure Of Atom

30 Questions | Total Attempts: 337

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C02 - Structure Of Atom

Soalan objektif kimia tingkatan 4 tajuk 2 structure of atom


Questions and Answers
  • 1. 
    What is the first step in a scientific investigation?
    • A. 

      Making a hypothesis

    • B. 

      Making an observation

    • C. 

      Identifiying the problem

    • D. 

      Planning an experiment

  • 2. 
    Which substance is an element?
    • A. 

      Air

    • B. 

      Stim

    • C. 

      Carbon

    • D. 

      Napthalene

  • 3. 
    Which of the following substances is made up of atoms?
    • A. 

      Argon

    • B. 

      Nitrogen

    • C. 

      Chlorine

    • D. 

      Ammonia

  • 4. 
    Which substance is an ionic compound?
    • A. 

      Ethanol

    • B. 

      Sulphur dioxide

    • C. 

      Tetrachloromethane

    • D. 

      Magnesium oxide

  • 5. 
    Which of the following substances contain molecules?
    • A. 

      Zinc

    • B. 

      Ethanol

    • C. 

      Sodium chloride

    • D. 

      Magnesium oxide

  • 6. 
    An enclosed cylinder is filled with helium atoms. Which diagram shows the arrangement of the helium atoms?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 7. 
    Which of the following shows the correct type of particle for each substance?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 8. 
    The diagram shows the partivles arrangement of a substance at room temperature. What is the substance?
    • A. 

      Water

    • B. 

      Helium

    • C. 

      Chlorine

    • D. 

      Nitrogen

  • 9. 
    The diagram shows the arrangement of partivles in a substance at room temperature. This arrangement of partivles can be found in
    • A. 

      Carbon

    • B. 

      Cooper

    • C. 

      Oxygen

    • D. 

      Water

  • 10. 
    Figure 11 shows the arrangement of particles found in four substances as named. Which pairs of the arrangement of partivles and the name of the substances are paired correctly?
    • A. 

      I and III only

    • B. 

      I and IV only

    • C. 

      II and III only

    • D. 

      III and IV only

  • 11. 
    Which of the following diagram represents magnesium oxide?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 12. 
    The following statements are about diffusion.      *  The tiny particles are discrete      *  The tiny particles move randomly by themselves Which of the following situations are explained by the statements above? I     bromine gas mixing with air II    aqueous copper(II) sulphate moving through a gel III   melting of lead(II) bromide IV   combustion of magnesium in air
    • A. 

      I and II

    • B. 

      I and IV

    • C. 

      II and III

    • D. 

      III and IV

  • 13. 
    Which of the following processes, proved the kinetic theory of matter?
    • A. 

      Diffusion

    • B. 

      Photosynthesis

    • C. 

      Respiration

    • D. 

      Neutralization

  • 14. 
    A sample of carbon dioxide gas is cooled. Which of the following is true about the velocity and the size of its particles?
    • A. 

      A

    • B. 

      B

    • C. 

      C

    • D. 

      D

  • 15. 
    Diagram 1 shows an experiment to study the partivles theory of matter. After 30 minutes, the water turns purple. What is the process occur in the experiment shown in the diagram 1?
    • A. 

      Melting process

    • B. 

      Freezing process

    • C. 

      Diffusion process

    • D. 

      Evaporation process

  • 16. 
    The diagram shows an experiment to study the particle theory of matter. Which of the following is the best explanation of the observation in the experiment?
    • A. 

      Agar dissolves copper(II) sulphate

    • B. 

      Copper(II) sulphate is an ionic compound

    • C. 

      Particles in copper(II) sulphate are minute and dicrete

    • D. 

      The attractive force between agar and copper(OO) sulphate particles is strong

  • 17. 
    Diagram 2 shows the set up of apparatus to investigate the diffusion in a liquid. After a few hours, the whole test tube of water becomes purple in colour. Which of the following statements explain the observation?
    • A. 

      Pottasium manganate(VII) is denser than water

    • B. 

      Matter is made up of partivles that expand uniformly

    • C. 

      Matter is made up of partivles that are moving randomly

    • D. 

      Particles in pottassium manganate(VII) move faster in water

  • 18. 
    The diagram shows the aparatus set - up to investigate Process X. What is Process X?
    • A. 

      Diffusion

    • B. 

      Condensation

    • C. 

      Evaporation

    • D. 

      Sublimation

  • 19. 
    Figure 6 shows an experiment to compare the rate of diffusion between ammonia and yhdrogen chloride gases. The bigger the mass of a particle, the slower the velocity of the particle. Based on the above statement, where will the white fumes of ammonium chloride first formed?
    • A. 

      P

    • B. 

      Q

    • C. 

      R

    • D. 

      S

  • 20. 
    Which of the following substances sublimes when heated?
    • A. 

      Ammonium chloride

    • B. 

      Potassium chloride

    • C. 

      Lead(II) chloride

    • D. 

      Zinc chloride

  • 21. 
    Which of these substances will sublimate when heated?
    • A. 

      Ice

    • B. 

      Iodine

    • C. 

      Chlorine

    • D. 

      Sodium chloride

  • 22. 
    Which of the following solids changes to gaseous state when it is heated?
    • A. 

      Lead(II) idide

    • B. 

      Silicon dioxide

    • C. 

      Ammonium chloride

    • D. 

      Copper(II) carbonate

  • 23. 
    The diagram shows the change of state of matter. Which of the following is process X?
    • A. 

      Melting

    • B. 

      Boiling

    • C. 

      Freezing

    • D. 

      Condensation

  • 24. 
    Diagram 1 shows the inter-conversion of the states of matter of a substance. Which inter-conversion involves the release of energy?
    • A. 

      Steam ---> ice

    • B. 

      Water ---> steam

    • C. 

      Ice ---> water

    • D. 

      Ice ---> steam

  • 25. 
    Diagram 1 shows the inter conversion of water, steam and ice. In which conversion do the molecule lose speed?
    • A. 

      Ice ---> water

    • B. 

      Ice ---> steam

    • C. 

      Water ---> steam

    • D. 

      Steam ---> ice

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