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Important Questions

Chemical Bonding

ICSE · Class 10 · Chemistry

Most important questions from Chemical Bonding for ICSE Class 10 Chemistry board exam 2026. MCQs, short answer, and long answer questions with marks.

45 questions22 flashcards5 concepts

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An infographic explaining the Octet Rule (atoms tend to achieve 8 valence electrons) and Duplet Rule (atoms like H, Li tend to achieve 2 valence electrons, like Helium), with simple examples of atoms
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45 Questions·
multiple choicemultiple correct

Sample Questions

1multiple correct

Which of the following compounds contain electrovalent bonds?

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NaCl, MgCl2, CaO

NaCl, MgCl2, and CaO are formed by electron transfer between metals and non-metals. H2O is formed by electron sharing (covalent bonding).

2multiple choice

Which molecule has a triple bond?

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N2

N2 (nitrogen molecule) has a triple bond where three pairs of electrons are shared between two nitrogen atoms.

3multiple choice

What is a lone pair of electrons?

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Electrons not involved in bonding

Lone pairs are valence electron pairs that are not shared with other atoms and remain localized on one atom.

4multiple correct

Which properties are characteristic of ionic compounds?

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High melting points, Conduct electricity in molten state, Soluble in water

Ionic compounds have high melting points due to strong electrostatic forces, conduct electricity when molten due to mobile ions, and are generally soluble in water.

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Frequently Asked Questions

What are the important topics in Chemical Bonding for ICSE Class 10 Chemistry?
Key topics in Chemical Bonding include Chemical Bonding - Full Chapter Concept Hierarchy, Chemical Bonding - Complete Concept Map, Types of Chemical Bonds — Overview. These are the concepts ICSE Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Chemical Bonding — 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.
How many important questions are there in Chemical Bonding?
There are 45 practice questions available for Chemical Bonding. These cover multiple question types including MCQs, short answer, and long answer questions.

Sources & Official References

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

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