Question

Name the two important ores of nickel how is nickel extracted form it's important ores

Answer 1

Answer:

An iron–nickel mixture is thought to compose Earth's outer and inner cores. ... An economically important source of nickel is the iron ore limonite, which often contains 1–2% nickel. Nickel's other important ore minerals include pentlandite and a mixture of Ni-rich natural silicates known as garnierite.

Nickel is recovered through extractive metallurgy: it is extracted from its ores by conventional roasting and reduction processes that yield a metal of greater than 75% purity. ... First, copper is removed by adding hydrogen sulfide, leaving a concentrate of only cobalt and nickel