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Green Chemistry and Nanochemistry — Chemistry STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceChemistryGreen Chemistry and Nanochemistry3 Marks
Question
Which nanomaterial is used in sunscreen lotion? Write its use.
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Answer

Zinc oxide $(ZnO)$ and Titanium dioxide $(TiO_2)$ nanoparticles are used sunscreen lotions. The chemicals protect the skin against harmful u.v (ultraviolet) rays by absorbing or reflecting the light and prevent the skin from damage.

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