1.

Which of the following statement are incorrect about phenol-formaldehyde resin ?A. Novolac or resol is a linear polymer and is used in the manufacture of adhesiveB. Bakelite is a cross-linked polymer and is used in making switches and plugsC. Novalac is perpared when `(P//F)` (phenol/formaldehyde) ratio if greater than 1, wheares bakehte is perpared when `(P//F)` ratio is less than 1D. Novolac is prepared when `P//F lt 1`, and bakelite is prepared when `P//F gt 1`

Answer» Correct Answer - D
Novolac is prepareed when `P//F lt 1`, and bakelite is prepared when `P//F gt 1`


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