Multiple choice

Which of the following statements is true?

  1. Iron is used to make planes

  2. Aluminium is used to make jewellery

  3. Gold is used to make buildings

  4. Copper is used to make electrical wires
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Copper is an excellent conductor of electricity and is widely used in electrical wiring. Iron is generally too heavy/corrosive for planes, gold is too soft for buildings, and aluminium is used for planes, not jewelry.

Keep practicing — related questions