Save Energy O Level Chemistry MCQs Quiz Online PDF Download

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IGCSE chemistry practice test MCQ: lpg is obtained by with choices cooling methane, cooling natural gas, cooling carbon dioxide and cooling nitrous oxide with online sample interview questions and answers, competitive tests preparation for jobs hiring. Free study guide is for online learning save energy o level chemistry quiz with MCQs to practice test questions with answers.

MCQs on Save Energy O Level Chemistry Quiz PDF Download

MCQ. LPG is obtained by

  1. cooling methane
  2. cooling natural gas
  3. cooling carbon dioxide
  4. cooling nitrous oxide

B

MCQ. An efficient source of electricity production is

  1. to combine hydrogen and oxygen to form water
  2. to drive generators through steam
  3. to combine nitrogen with hydrogen
  4. Both A and B

A

MCQ. Methane (CH4) is better fuel than Coal gas because

  1. it is endothermic
  2. it is exothermic
  3. it gives off more heat than coal gas
  4. it requires very little oxygen to burn

C

MCQ. Upon burning, Hydrogen (H2) forms

  1. water vapors
  2. hydrogen oxide
  3. hydrogen ions
  4. hydrocarbon

A

MCQ. Energy can be conserved through

  1. insulating lofts with fiber glass
  2. use of lame burn engines
  3. using catalytic converters
  4. controlling temperature

A