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Name the Mineral that Toughens Steel and Makes It Rust- Proof. - Geography

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Question

Name the mineral that toughens steel and makes it rust- proof.

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Solution

Manganese toughens steel and makes it rust-proof.

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Q 7.3.3
2017-2018 (March) Set 1

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2017-2018 (March) Set 1 (with solutions)
Q 7.3.3 | 1 mark
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