Question

4.
Now-a-days aluminium has become
popular as a 'green metal'. Which of
the following properties of aluminium
makes it the so called green metal ?
(1) It is a light metal resistant to
corrosion
(2)
It is a replacement for wood that
saves the forest and
environment.
(3)
(4)
It has a high rate of recycling
and can be re-used many times.
The land can be restored very
quickly after the mining of
bauxite.​

Answer 1

THAT'S 1 AND 4 properties

Answer 2

The aluminium is known as a green metal because it has a high rate of recycling and can be reused many times. (Option 4)

- The eco-friendly procedures also include recycling which saves the new batch production's energy consumption and it also saves the limited resources of our planet.

- Similarly,the aluminium can be also recycled for many times which saves energy and environmental resources.

That's why aluminium is known as the green metal. Green is basically referred to the term "eco-friendly".