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CHEMISTRY CH16 Applied Chemistry — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9ScienceCHEMISTRY CH16 Applied Chemistry1 Mark
MCQ
Assertion (A) : Nanoparticles interact with impurities.
Reason (R) : Nanoparticles are less reactive.
  • A
    If both assertion and reason are true and Reason is the correct explanation of Assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
  • C
    If assertion is true but reason is false.
  • D
    If assertion is false but reason is true
✓

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