ICSE Class 10 Periodic Properties and Variations of Properties — Mock Test (2027)
Free online mock test for Periodic Properties and Variations of Properties (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 Periodic Properties and Variations of Properties 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
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1.What does the modern periodic law state?
- A.Properties of elements are periodic functions of their atomic masses
- B.Properties of elements are periodic functions of their atomic numbers
- C.Elements are arranged based on their chemical reactivity
- D.Elements are grouped by their physical states at room temperature
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2.Parts (i) to (v) refer to changes in the properties of elements on moving left to right across a period of the periodic table. For each property, choose the letter corresponding to the correct answer from the choices A, B, C and D. (i) The non-metallic character of the elements.
- A.decreases
- B.increases
- C.remains the same
- D.depends on the period.
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3.Which of the following pairs have both the members from the same group of periodic table?
- a.Mg, Cl
- b.Mg, Na
- c.Mg, Cu
- d.Mg, Be
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4.What are valence electrons and what is their significance?
- A.Valence electrons are the electrons in the outermost shell of an atom and determine its chemical properties and reactivity.
- B.Valence electrons are the total number of electrons in an atom and define its atomic mass.
- C.Valence electrons are the protons in the nucleus and influence the atom's stability.
- D.Valence electrons are the electrons in the innermost shell and affect the atom's electronegativity.
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5.An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is :
- A.18
- B.11
- C.17
- D.20
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