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Chemistry Past Questions

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3221

What is the PH of 0.00 1 moldm\(^3\) solution of the sodium hydroxide

  • A. 14
  • B. 13
  • C. 12
  • D. 11
View Answer & Discuss (16) JAMB 2018
3222

The type of bonding in [Cu(NH\(_3\))\(^4\)]\(^{2+}\) is 

  • A. coordinate
  • B. electrovalent
  • C. metallic
  • D. covalent
View Answer & Discuss (1) JAMB 2018
3223

Which of the following is an example of a chemical change?

  • A. dissolution of salt in water
  • B. rusting of iron
  • C. melting of ice
  • D. separating a mixture by distillation
View Answer & Discuss (9) JAMB 2018
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3224

To what temperature must a gas at 273k be heated in order to double both its volume and pressure?

  • A. 298K
  • B. 546K
  • C. 819K
  • D. 1092K
View Answer & Discuss (2) JAMB 2018
3225

According to the Kinetic Theory an increase in temperature causes the kinetic energy of particles to

  • A. decrease
  • B. increase
  • C. be zero
  • D. remain constant
View Answer & Discuss (5) JAMB 2018
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free