The common acid used in the manufacture of rayon and plastic is :
methanoic acid
ethanoic acid
propanoic acid
butanoic acid
B.
ethanoic acid
Rayon is plastic polymers are manufactured with the help of ethanoic acid (CH3COOH).
The compound used as an explosive is:
2,4,6-tribromoaniline
2,4,6-trinitrotoluene (TNT)
1,3,5-trinitrobenzene
2,4,6-trichlorotoluene
The indicator that is obtained by coupling the diazonium salt of sulphanilic acid with N, N-dimethyl aniline is
phenanthroline
methyl orange
methyl red
phenolphthalein