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Green Chemistry and Nanochemistry — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryGreen Chemistry and Nanochemistry1 Mark
MCQ
Which one of these statements is NOT true ?
  • A
    Gold at the nanoscale is red.
  • B
    A very highly useful application of nanochem¬istry is medicine.
  • ✓
    Sunscreen contains nanoparticles of zinc oxide (ZnO) and (SiO2) silicon oxide.
  • D
    Silicon at nanoscale is not an insulator
✓

Answer

Correct option: C.
Sunscreen contains nanoparticles of zinc oxide (ZnO) and (SiO2) silicon oxide.
Sunscreen contains nanoparticles of zinc oxide (ZnO) and (SiO2) silicon oxide.

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