Question

2).steel contains-
(a) Fe+C+Mn
(b) Fe+Mn+Cr
(c) Fe+Mn
(d) Fe+Mn+Ni​

Answer 1

Explanation:

Steel is an alloy of iron and carbon containing less than 2% carbon and 1% manganese and small amounts of silicon, phosphorus, sulphur and oxygen. Steel is the world's most important engineering and construction material.

Answer 2

Answer:

d

Explanation:I think the answer is d