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Chemistry Past Questions

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4596

In a series of solutions with pH of 2.5, 3.5, 7.0 and 8.0, which is likely to turn red moist litmus paper blue?

  • A. 3.5
  • B. 8.0
  • C. 2.5
  • D. 7.0
View Answer & Discuss (4) JAMB 2025
4597

The process by which iron corrodes is

  • A. rusting
  • B. burning
  • C. galvanizing
  • D. alloying
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4598

On heating 12.5g of saturated solution to dryness at 60\(^0\)C, 2g of anhydrous salt was recovered, calculate its solubility in grams per 100g of water.

  • A. 16.0
  • B. 4.0
  • C. 2.0
  • D. 20.0
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4599

The reaction above is

  • A. neutralization
  • B. substitution
  • C. polymerization
  • D. oxidation
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4600

The gas produced at the cathode during electrolysis of brine is

  • A. steam
  • B. chlorine
  • C. oxygen
  • D. hydrogen
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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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