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Chemistry JAMB Past Questions

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2241

Which of the following statements is true for strong electrolytes?

  • A. They do not conduct electricity in the molten state
  • B. They completely dissociate into ions in solution
  • C. They are non-polar substances
  • D. They partially dissociate into ions in solution
View Answer & Discuss (2) JAMB 2023
2242

What is the maximum number of electrons that can occupy the second energy level (n=2)?

  • A. 2 electrons
  • B. 18 electrons
  • C. 8 electrons
  • D. 32 electrons
View Answer & Discuss (6) JAMB 2023
2243

Which of the following is a common laboratory indicator for bases?

  • A. Methyl orange
  • B. Phenolphthalein
  • C. Bromothymol blue
  • D. Litmus
View Answer & Discuss (6) JAMB 2023
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
2244

At a given temperature and pressure, a gas X diffuses twice as fast as gas Y. It follows that

  • A. Gas Y is two times as heavy as Gas X
  • B. Gas Y is four times as heavy as Gas X
  • C. Gas Y is monoatomic
  • D. Gas X is diatomic
View Answer & Discuss (8) JAMB 2024
2245

The number of molecules of helium gas contained in 11.5g of the gas is

  • A. 1.73 x 10\(^{23}\)
  • B. 1.73 x 10\(^{22}\)
  • C. 1.73 x 10\(^{24}\)
  • D. 1.73 x 10\(^{21}\)
View Answer & Discuss (4) JAMB 2024
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