Other questions in this quiz

2. Sulfur dioxide has what environmental issue?

  • It contributes to global dimming.
  • It causes acid rain.
  • It contributes to global warming.
  • It gives people breathing problems.

3. What is the general formula for alkenes?

  • CHn
  • CnH2n+2
  • CnH2n
  • C2nHn

4. Why are alloys stronger and harder than pure metals?

  • The added metal is harder than the original metal.
  • Different sized atoms disrupt the regular arrangement of atoms and so the layers cannot slide over each other.
  • Different types of free electrons repel each other and so keep the metal in a certain shape.
  • The atoms are now bigger so there is less room to move.

5. Electrolysis is:

  • A form of displacement with carbon.
  • Splitting radioactive nuclei.
  • Splitting up ionic compounds using electricity.
  • Generating electricity by burning fossil fuels.

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