ICSE Class 10

ICSE Class 10 Chemical Bonding — Mock Test (2027)

Free online mock test for Chemical Bonding (ICSE Class 10 Chemistry) — 20 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.

What to expect: This mock test covers key concepts from the Chemical Bonding chapter — including application-based and competency-focused questions aligned with how ICSE actually sets the paper.

Tip: Attempt without notes first to identify gaps, then review explanations for any wrong answers. Retake after a few days for best retention.

Sample questions

  1. 1.How do atoms attain the noble gas configuration?
    • A.By losing or gaining protons
    • B.By losing, gaining, or sharing electrons in their valence shells
    • C.By converting neutrons into electrons
    • D.By absorbing light energy
  2. 2.Number of hydrogen ions produced per molecule of the acid in aqueous solution is :
    • A.Basicity
    • B.Acidity
    • C.Normality
    • D.Equality
  3. 3.A compound with low boiling point is:
    • A.Sodium chloride
    • B.Calcium chloride
    • C.Potassium chloride
    • D.Carbon tetrachloride
  4. 4.Sodium chloride conducts electricity only in its fused or aqueous solution state. Which of the following best explains this behavior?
    • A.Sodium chloride dissociates into free ions only in the solid state.
    • B.Sodium chloride contains free ions in its aqueous or fused state, enabling electrical conduction.
    • C.Sodium chloride conducts electricity due to the presence of covalent bonds in all states.
    • D.Sodium chloride loses its ionic character when dissolved in water, allowing conduction.
  5. 5.In the liquid state, X will :
    • a.become ionic
    • b.not conduct electricity
    • c.conduct electricity
    • d.be an electrolyte

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