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Chemistry 2023 JAMB Past Questions

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
51

Isotopes of an element have

  • A. The same number of protons but different numbers of neutrons.
  • B. The same number of neutrons and electrons
  • C. The same number of protons and neutrons
  • D. The same number of protons and electrons
View Answer & Discuss (2) JAMB 2023
52

Which element is placed at the top of the electrochemical series?

  • A. Copper
  • B. Hydrogen
  • C. Sodium
  • D. Oxygen
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53

Which transition metal is known for its multiple colorful oxidation states and compounds used in pigments and paints?

  • A. Silver (Ag)
  • B. Copper (Cu)
  • C. Gold (Au)
  • D. Zinc (Zn)
View Answer & Discuss JAMB 2023
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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54

Which of the following methods is commonly used to remove suspended impurities from water?

  • A. Fluoridation
  • B. Chlorination
  • C. Filtration
  • D. Distillation
View Answer & Discuss (1) JAMB 2023
55

What is the valency of an element with the electronic configuration 2, 8, 7?

  • A. 7
  • B. 1
  • C. 2
  • D. 3
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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