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Horn silver is _____.

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Important Questions on Metals and Non-Metals

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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 6
Naturally occurring substances from which a metal can be profitably (or economically) extracted are called?
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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 7
Cinnabar is an ore of _____.
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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 8
Which of the following is not an ore?
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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 9
Which of the following mineral does not contain Al?
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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 10
Formula of magnetite is _____.
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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 11
Which ore contains both iron and copper?
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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 12
Calcination is the process of heating the ore _____.
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General Science for Competitive Exams>Chapter 13 - Metals and Non-Metals>EXERCISE>Q 13
Which of the following is an oxide ore?