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June 21st, 2014, 04:20 PM
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WBJEE solved question papers
Here I ma looking for the WBJEE solved question papers, can you provide me the same??? As per your request here I am sharing the WBJEE solved question papers: 26. It is difficult to cook rice in an open vessel by boiling it at high altitudes because of (A) low boiling point and high pressure (B) high boiling point and low pressure (C) low boiling point and low pressure (D) high boiling point and high pressure Ans : (C) Which statement is incorrect (A) Phenol is a weak acid (B) Phenol is an aromatic compound (C) Phenol liberates CO2 from Na2CO3 soln (D) Phenol is soluble in NaOH 47. The catalyst used for olefin polymerization is (A) Ziegler-Natta Catalyst (B) Wilkinson Catalyst (C) Raney nickel catalyst (D) Merrifield resin Ans : (A) Hints : TiCl3 + (C2H5)3 Al 48. The oxidant which is used as an antiseptic is : (A) KBrO3 (B) KMnO4 (C) CrO3 (D) KNO3 Ans : (B) 49. Which of the following contributes to the double helical structure of DNA (A) hydrogen bond (B) covalent bond (C) disulphide bond (D) van-der Waal’s force Ans : (A) 50. The monomer used to produce orlon is (A) CH2=CHF (B) CH2=C Cl2 (C) CH2=CH Cl (D) CH2=CH–CN Ans : (D) Last edited by Neelurk; March 20th, 2020 at 08:41 AM. |
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