Question

76. A naturally occurring substance that
has definite chemical composition is a
mineral. Choose the correct statement/s
regarding minerals
1. Iron ore, bauxite, manganese ore and mica are examples of metallic minerals.
2. Metallic minerals are always ferrous.
3. Minerals that lie at shallow depths are taken out by removing the surface layer by the process called
shaft mining
4. A rock is an aggregate of one or more minerals with definite composition of constituent minerals,
Code:
a. 2 and 4 only
O b. 1and 3 only
O
C. All the above
O d. None of the above​

Answer 1

a)2and 4 metallic mineral always ferrous. Rock is an aggregate of one or more mineral which define composition of constituent mineral code these statements are true.