AIEEE Exam

Buna-S is –
(A) natural polymer (B) synthetic polymer
(C) sulphur polymer (D) none of these

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AIEEE Other Question

Phenol and benzoic acid can be distinguished by
reaction with –
(A) aq. NaOH (B) aq. NaHCO3
(C) neutral FeCl3 (D) aq. NH3
The hybrid state that phosphorus assumes when
it forms five P-Cl bonds around it is :
(A) dsp2 (B) dsp3
(C) sp3d (D) sp3d2.