Question

Nanomaterial Coatings on Substances
Which of the following statements are true?
(A) Surface coatings enhance hardness and corrosion resistance.
(B) Nanocoatings repel water and dirt, making surfaces self-cleaning.
(C) Nanoparticles on surfaces can change the color of products.
(D) Coated surfaces can be anti-viral, anti-fog, and anti-bacterial.
Choose the correct answer from the options given below:

• A. (A), (B), (D).
• B. (A), (B), (C)
• C. (A), (B), (C), (D).
• D. (B), (C), (D).

Hint:

Nanocoatings provide multifunctionality: durability, aesthetic changes, and hygienic properties for a range of applications.

Answer 1

The Correct Option is C

- (A) Coatings improve material properties like hardness and corrosion resistance.
- (B) Nanocoatings offer hydrophobic and dirt-repelling properties.
- (C) Color modification is a unique optical effect of nanoparticles.
- (D) Nanocoatings can provide microbial resistance for surfaces.