Which one of the following is used as a coagulating agent for rubber latex?
A. Ethanoyl chloride
B. Butanoic acid
C. Methanoic acid
D. Benzoic acid
Answer:C
Which one of the following is used as a coagulating agent for rubber latex?
A. Ethanoyl chloride B. Butanoic acid C. Methanoic acid D. Benzoic acid