Question

Gelatin protects

• A. Gold sol
• B. $As_2S_3 sol$
• C. $Fe(OH)_3 sol$
• D. All

Answer 1

Answer: (D)

All

Answer 2

Gelatin (a lyophillic sol) protects all the lyophobic sols such as gold sol, $As_{2}S_{3}$ sol and $Fe(OH)_{3}$ sol