Burning hydrocarbons | Combined science | Quizalize & Oak National Academy

Starter quiz

When wood burns it reacts with which gas?
- carbon dioxide
- water vapour
- oxygen ✓
- nitrogen
When a fuel containing carbon is burnt which gas will be produced?
- nitrogen
- oxygen
- argon
- carbon dioxide ✓
What is a chemical test for carbon dioxide?
- bubble through limewater and it will turn cloudy ✓
- place a glowing splint in the gas and it will relight
- white anhydrous copper sulfate crystals will turn blue
What is the scientific name for burning?
- respiration
- photosynthesis
- combustion ✓
- precipitation
Which of the following are examples of fossil fuels?
- crude oil ✓
- nuclear fuel
- natural gas ✓
- coal ✓
Match the scientific key terms with the correct definition
- hydrocarbons
  
  ⇔
  
  molecules made of hydrogen and carbon atoms only ✓
- conservation of mass
  
  ⇔
  
  the total mass of reactants equals the total mass of products formed ✓
- exothermic reactions
  
  ⇔
  
  chemical reactions in which thermal energy is given out ✓
- fossil fuels
  
  ⇔
  
  fuels made over millions of years from dead plants and animals ✓