Other questions in this quiz

2. How would you describe carbon monoxide:

  • colourless and causes damage to cells but the damage can be reversed
  • colourless and does irreversible damage by binding red blood cells
  • is pale yellow in colour and causes damage to red blood cells that is reversible

3. Todays atmosphere

  • 78% nitrogen, 21% oxygen, 1% carbon dioxide.
  • 78% nitrogen, 21% oxygen, 0.04% carbon dioxide, 1% argon.
  • 78% oxygen, 21% nitrogen, 1% carbon dioxide.

4. What are alkanes:

  • unsaturated hydrocarbons that are unreactive
  • fully saturated hydrocarbons that are reactive
  • fully saturated hydrocarbons that are unreactive
  • unsaturated hydrocarbons that are reactive

5. Why do we recycle metals:

  • we have to recycle
  • less resources, less money, less rubbish, less energy
  • it is expensive

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