A) Tetrazine is harmful edible colour
B) Alitame is an artificial sweetner
C) BHT is an antioxidant
D) Sodium alkyl sulphate is a cationic detergent
E) The performance of a rocket propellant is measured in terms of specific impulse
Correct Answer: D
Solution :
Sodium alkyl sulphate is an anionic detergent as it gives anion which acts as surfactant. \[\underset{\begin{smallmatrix} sodium\text{ }alkyl \\ \,\,\,\,sulphate \end{smallmatrix}}{\mathop{RC{{H}_{2}}-}}\,S{{O}_{3}}Na\to \underset{anionic\text{ }part}{\mathop{RC{{H}_{2}}-}}\,SO_{3}^{-}+N{{a}^{+}}\]
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