As per the Mohs scale of mineral hardness, which of the following are soft metals?

  1. Gold
  2. Copper
  3. Diamond
  4. Talc

Select the correct option from codes given below:

Answer: [B] 1, 2 & 4 Only

As per the Mohs scale of mineral hardness, the soft metals are: Lead, gold, silver, tin, zinc, aluminium, thorium, copper, brass and bronze. Diamond is one of the hardest known metals on earth.

This question is a part of GKToday's Integrated IAS General Studies Module