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NECO offline past questions - All questions, answers & explanations in one app 25712
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
4236

When an acidic solution is diluted, what happens to its pH?

  • A. It depends on the specific acid
  • B. It decreases
  • C. It remains the same
  • D. It increases
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4237

Which of the following factors does NOT affect the rate of a chemical reaction?

  • A. Concentration of reactants
  • B. Presence of a catalyst
  • C. Molecular weight of products
  • D. Temperature
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4238

Which organic compound is responsible for the characteristic aroma of fruits?

  • A. Alkane
  • B. Alkyne
  • C. Ester
  • D. Amine
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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
4239

What is the molar mass of water (H2O)?

  • A. 18 g/mol
  • B. 22 g/mol
  • C. 16 g/mol
  • D. 12 g/mol
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4240

What is the chemical formula of rust, which is formed on the surface of iron in the presence of oxygen and moisture?

  • A. Fe\(_3\)O\(_4\)
  • B. FeO
  • C. Fe(OH)3
  • D. Fe\(_2\)O\(_3\)
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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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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid