Consider the following matches:
1. Cassiterite ↔ Tin
2. Halite ↔ Sulphur
3. Guano ↔Phosphate
Which of the above is / are correct?

Answer: [C] Only 1 & 3

Halite is Sodium Chloride or common salt. Guano is the droppings of the fish eating birds, which is rich in phosphate. Peru is the worlds largest producer of Guano.

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