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Chapter 4 of 11
Practice Quiz

Analytical chemistry

ICSE · Class 10 · Chemistry

Practice quiz for Analytical chemistry — ICSE Class 10 Chemistry. MCQs and questions with answers to test your preparation.

45 questions20 flashcards5 concepts

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Quick Quiz: Analytical chemistry

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1

What is the color of Cu²⁺ ions in aqueous solution?

2

When NH₄OH is added to CuSO₄ solution, what color precipitate is initially formed?

3

What happens when excess NH₄OH is added to the pale blue precipitate of Cu(OH)₂?

4

What color is Fe(OH)₃ precipitate?

45 Questions·
multiple choicemultiple correct

Sample Questions

1multiple correct

Which of the following ions are colorless?

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Na⁺, Zn²⁺, Ca²⁺, Al³⁺

Ions of normal elements (groups IA-VIIA) are generally colorless. Na⁺, Zn²⁺, Ca²⁺, and Al³⁺ are colorless ions. Cu²⁺ is blue and Fe³⁺ is pale yellow, both being transition metal ions.

2multiple correct

Which metal hydroxide precipitates are soluble in excess NH₄OH?

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Cu(OH)₂, Zn(OH)₂

Cu(OH)₂ and Zn(OH)₂ dissolve in excess NH₄OH to form soluble complexes. Fe(OH)₃, Pb(OH)₂, and Ca(OH)₂ remain insoluble in excess NH₄OH.

3multiple choice

When NaOH is added to Pb(NO₃)₂ solution, what happens in excess NaOH?

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White precipitate dissolves to form colorless solution

Initially, white Pb(OH)₂ precipitate forms. In excess NaOH, it dissolves to form sodium plumbite (Na₂PbO₂), a colorless soluble complex.

4multiple correct

Which of the following are amphoteric oxides?

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ZnO, Al₂O₃, PbO

ZnO, Al₂O₃, and PbO are amphoteric oxides that react with both acids and bases. CaO and Na₂O are basic oxides that only react with acids.

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Frequently Asked Questions

What are the important topics in Analytical chemistry for ICSE Class 10 Chemistry?
Analytical chemistry covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Analytical chemistry — ICSE Class 10 Chemistry?
Understand the core concepts first, then work through the 45 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

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

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