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Occurance and Extraction of Metals

Telangana Open School (TOSS) · Class 12 · Chemistry

Most important questions from Occurance and Extraction of Metals for Telangana Open School (TOSS) Class 12 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.

51 questions30 flashcards5 concepts

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51 Questions·
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Sample Questions

1multiple choice
1 marks

What is the rocky impurity present in an ore called?

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Gangue,Matrix

Gangue or matrix refers to the unwanted rocky impurities in an ore.

2multiple choice
1 marks

Which of the following is a sulphide ore?

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Galena

Galena (PbS) is a sulphide ore of lead.

3multiple choice
1 marks

Which process is used to remove gangue from powdered ore?

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Concentration

Concentration or dressing of the ore removes gangue from powdered ore.

4multiple choice
1 marks

Gravity separation is used for which type of ores?

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Oxide ores

Gravity separation is used for heavier oxide ores like haematite and tinstone.

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Frequently Asked Questions

What are the important topics in Occurance and Extraction of Metals for Telangana Open School (TOSS) Class 12 Chemistry?
Occurance and Extraction of Metals covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Occurance and Extraction of Metals — Telangana Open School (TOSS) Class 12 Chemistry?
Understand the core concepts first, then work through the 51 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.
How many important questions are there in Occurance and Extraction of Metals?
There are 51 practice questions available for Occurance and Extraction of Metals. These cover multiple question types including MCQs, short answer, and long answer questions.

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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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