Question

Select the CORRECT statement.

Options

• The decorative glaze found on some medieval pottery is due to certain spherical metallic nanoparticles.

• Nanoparticles are used in the manufacturing of scratchproof eyeglasses.

• Silver nanoparticles act as highly effective bacterial disinfectant.

• Sunscreen contains nanoparticles of Pd and Pt.

Answer 1

Silver nanoparticles act as highly effective bacterial disinfectant.

Explanation:

Silver nanoparticles kill bacteria by damaging their cell walls and stopping their growth. They are used in medical dressings, water filters, and antibacterial products.