Other questions in this quiz

2. What is the general formula for alkanes ?

  • CnH2n+2
  • CnH2n+1
  • CnH2n
  • CnHn+2

3. Why does it make this colour change?

  • It is an addition reaction as alkenes are unsaturated and react
  • It indicates the presence of an alkaline substance
  • It indicates the presence of acidity
  • It is a substitution reaction as alkanes are saturated

4. What is needed for the reaction of methane with bromine?

  • The presence of oxygen and water
  • Heat Energy
  • UV Light
  • Kinetic Energy

5. What is combustion?

  • When fuels react with oxygen and burn to release useful heat energy
  • An explosion which occurs when crude oil is heated
  • When a substance implodes in the air
  • When fuels react with heat to form oxygen

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