Question

Difference between sial sima and nickel

Answer 1

Dear Student

Sial:
1. Sial is the name for the upper layer of the Earth's crust.
2. It is made up of rocks which are rich in silicate and aluminium rich elements.
3. It forms continental crust.

Sima:
1. Sima is the name for the lower layer of the Earth's crust.
2. It is made up of the rocks rich in magnesium silicate rich minerals.
3. It forms oceanic crust.

Nickel:
1.Nickel is a natural element obtained from the core of the earth.
2. It has silver white colour with a shining base and golden tint in it.


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