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4431

The term strong and weak acids is used to indicate the 

  • A. number of H\(^+\) released by an acid
  • B. number of OH\(^-\) released by an acid
  • C. extent of ionization of an acid
  • D. strength of its action on substance
View Answer & Discuss (1) JAMB 2024
4432

The main constituent of water-glass is

  • A. calcium trioxosilicate(IV)
  • B. calcium trioxosulphate(IV)
  • C. sodium trioxosulphate(IV)
  • D. sodium trioxosilicate(IV)
View Answer & Discuss (3) JAMB 2024
4433

Which of the following represents an order of increasing reactivity?

  • A. Au < Cu < Sn < Fe < Ca
  • B. Ca < Fe < Sn < Cu < Au
  • C. Au < Cu < Fe < Sn < Ca
  • D. Ca < Sn < Fe < Cu < Au
View Answer & Discuss (10) JAMB 2024
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
4434

An oxide of nitrogen that can rekindle a glowing splint is 

  • A. nitrogen(I)oxide
  • B. nitrogen(II)oxide
  • C. nitrogen(IV)oxide
  • D. dinitrogen tetraoxide
View Answer & Discuss (1) JAMB 2024
4435

In a chemical reaction, surface area of reactants can affect

  • A. CaCO\(_3\) + 2HCl → CaCl\(_2\) + H\(_2\)O + CO\(_2\)
  • B. MgCl\(_2\) + H\(_2\)SO\(_4\) → MgSO\(_4\) + 2HCl
  • C. H\(_2\) + Cl\(_2\) → 2HCl
  • D. NaOH + HCl → NaCl + H\(_2\)O
View Answer & Discuss (2) JAMB 2024
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