ICSE Class 10 Classification of Elements and Periodicity in Properties — Mock Test (2027)

Free online mock test for Classification of Elements and Periodicity in Properties (ICSE Class 10 Chemistry) — 87 competency-based questions based on the latest CISCE 2027 syllabus, with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.In the long form of the Periodic Table, the vertical columns are called groups and the horizontal rows are called:
   • A.periods
   • B.families
   • C.series only
   • D.blocks
2. 2.The d-block (transition) elements are found in which groups of the Periodic Table?
   • A.3 to 12
   • B.1 to 2
   • C.13 to 18
   • D.14 to 17
3. 3.Considering the elements B, C, N, F and Si, the correct order of decreasing non-metallic character is:
   • A.F > N > C > B > Si
   • B.F > N > C > Si > B
   • C.B > C > Si > N > F
   • D.Si > C > B > N > F
4. 4.Assertion (A): The atomic number is a more fundamental property of an element than its atomic mass. Reason (R): Henry Moseley found that the square root of the frequency of characteristic X-rays plotted against atomic number gives a straight line, not against atomic mass.
   • A.Both A and R are true and R is the correct explanation of A
   • B.Both A and R are true but R is NOT the correct explanation of A
   • C.A is true but R is false
   • D.A is false but R is true
5. 5.The size of the isoelectronic species F-, Ne and Na+ is affected by which factor?
   • A.Nuclear charge (Z)
   • B.Valence principal quantum number (n)
   • C.Electron-electron interaction in the outer orbitals only
   • D.None of the factors, because their sizes are identical