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551
The molecular formula of a common organic laboratory anaesthetic is
  • A. CHCl3
  • B. CHI3
  • C. CCl4
  • D. CHF3
View Answer & Discuss (1) JAMB 2009
552

The simplest branched-chain hydrocarbon is

  • A. ethane
  • B. ethene
  • C. propane
  • D. butane
View Answer & Discuss (14) JAMB 2009
553

Organic molecules that have the suffix-ene are unsaturated hydrocarbons that have?

  • A. a single bond
  • B. a double bond
  • C. a triple bond
  • D. an ionic bond
View Answer & Discuss (1) JAMB 2009
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554

Which of the following is an example of a mixture?

  • A. Common salt
  • B. Blood
  • C. Sand
  • D. Washing soda
View Answer & Discuss (30) JAMB 2010
555

Calculate the percentage by mass of nitrogen in calcium trioxonitrate (V)
[Ca = 40, N = 14, O = 16]

  • A. 8.5%
  • B. 13.1%
  • C. 17.1%
  • D. 27.6%
View Answer & Discuss (31) JAMB 2010
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