Question

Natural rubber is obtained as 'latex', which is a milky, white fluid from rubber trees. Latex is a:

• A. mixture of rubber and gum
• B. colloidal dispersion of rubber in water
• C. solution of rubber in water
• D. paste of rubber, clay and water

Answer 1

Answer: (B)

colloidal dispersion of rubber in water

Natural rubber latex is basically a colloidal dispersion of rubber hydrocarbon in an aqueous medium. Ammonium and potassium alums are used as a coagulant in latex.