Question

Which of the following easily catalyse the decomposition of $H_{2}O_{2}$when stored?

(i) Rough surface (ii) Sunlight

(iii) Dust particles (iv) Metals

• A. (i) and (ii)
• B. (i), (ii) and (iii)
• C. (ii) and (iii)
• D. All of these

Answer 1

Answer: (D)

All of these

Answer 2

: Decomposition of $H_{2}O$is catalyzed by metals. Rough surfaces, sunlight, dust particles, glass and alkalies.