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Periodic Table, Periodic Properties and Variations of Properties — Chemistry STD 10 — Question

ICSE BoardEnglish MediumSTD 10ChemistryPeriodic Table, Periodic Properties and Variations of Properties1 Mark
MCQ
Assertion : Metalloids are present in zig-zag rows in periodic table.
Reason : Metalloids have same properties.
  • A
    Assertion and Reason both are correct statements and reason is the correct explanation of the assertion.
  • ✓
    Assertion and Reason both are correct statements, but reason is not the correct explanation of the assertion.
  • C
    Assertion is true, but reason is false.
  • D
    Assertion is false, but reason is true.
✓

Answer

Correct option: B.
Assertion and Reason both are correct statements, but reason is not the correct explanation of the assertion.
(b) Assertion and Reason both are correct statements, but reason is not the correct explanation of the assertion.
Explanation : Metalloids are present in zig-zag rows because they have some properties of metals and some properties of non-metals. Thus, both assertion and reason are true but reason is not the correct explanation of the assertion.

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