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ICSE Question Bank

Metallurgy

Appeared in 10 of the 11 available papers.

Examined in
10 of 11 papers

Appears almost every year — treat as core

Typically worth
8 marks

Average per paper it appears in · 80 marks in total

Usual form
Short answer

66% of this chapter's 74 questions

Needs a diagram
9%

7 questions carry a figure — practise drawing them

Question-type distribution

  • Short answer49
  • MCQ11
  • Reasoning5
  • Fill in the blank4
  • Matching3
  • Definition2

Most frequent topics

Metallurgy, ores, extraction and alloys 73Alumina and sodium aluminate 1
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Showing 25 of 74 matching questions (80 marks).

25 questions

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

3(ii)

Study the reaction given below and answer the questions that follow: NaNO₃ + H₂SO₄ (conc.) —(< 200°C)→ NaHSO₄ + HNO₃

4(iv)

Given below are some chemicals. Using suitable chemicals from the box given above, write balanced chemical equations for the preparation of the following salts. (Note: The chemicals may be used more than once, if needed.)

Figure for this question
6(i)

Give reasons why:

6(iii)

Anil is a laboratory assistant in a college. He prepared nitric acid but stored it in a transparent container exposed to sunlight. After a few days, brown fumes were observed in the container and the acid turned slightly yellowish in colour.

7(ii)

Bauxite is the principal ore used in the commercial extraction of aluminium. The Bayer's process is used to refine bauxite into pure alumina, with caustic soda playing a crucial role in the initial stage of the process. Based on this, answer the following questions:

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

2(iii)

Complete the following sentences by choosing the correct word(s) from the brackets:

7(ii)

Answer the following questions with reference to the concentration of bauxite ore.

1

Choose the correct answers to the questions from the given options. (Do not copy the questions, write the correct answers only.)

2(iii)

Complete the following sentences by choosing the correct answer from the brackets:

4(iii)

Complete and balance the following equations:

5(i)

Name the main metal used in making of the alloys given below:

6(ii)

Give reasons for the following:

8(i)

Choose the correct answer from the list given below:

Figure for this question