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4031

The atomic weight of nitrogen is?

  • A. 10
  • B. 12
  • C. 14
  • D. 16
View Answer & Discuss (1) JAMB 2021
4032

The gas which causes global warming is?

  • A. O\(_{2}\)
  • B. CO\(_{2}\)
  • C. N\(_{2}\)
  • D. He
View Answer & Discuss (7) JAMB 2021
4033

Oxygen is absent in?

  • A. Kerosene
  • B. Soil
  • C. Glass
  • D. Cement
View Answer & Discuss (13) JAMB 2021
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4034

A sample of any of the following substances disappears after some time when exposed to air like camphor, naphthalene, or dry ice. This phenomenon is called?

  • A. Sublimation
  • B. Evaporation
  • C. Diffusion
  • D. Radiation
View Answer & Discuss (1) JAMB 2021
4035

The maximum electron in N shell is?

  • A. 2
  • B. 8
  • C. 18
  • D. 32
View Answer & Discuss (6) JAMB 2021
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