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28th November 2014, 01:57 PM
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| Re: Tips to crack WBJEE?
As you want to know the tips to crack WBJEE so, here for you I am providing you the same. Tips: Firstly know the syllabus very well. Make time table for each subject. Give equal time to each chapter. Revise chapters regularly. Make short notes of tough chapters. Practice previous year question papers and sample papers. Practice online mock test papers. If possible then join any coaching centre to prepare well. Don’t start any new chapter at the last of exam day. Sleep well and eat well. Read reference books. Here I am attaching a previous year question papers to prepare for the exam you can download that and some of the questions are given below. Silicone oil is obtained from the hydrolysis and polymerisation of (A) trimethylchlorosilane and dimethydichlorosilane (B) trimethylchlorosilane and methyltrichlorosilane (C) methyltrichlorosilane and dimethyldichlorosilane (D) triethylchlorosiland and diethyldichlorosilane Ans : (A) Hints : Silicone oils are formed on low degree of polymerisation Identify the CORRECT statement (A) Quantum numbers (n,I,m,s) are obtained arbitrarily (B) All the Quantum numbers (n,I,m,s) for any pair of electrons in an atom can be idential under special circum stance (C) all the quantum numbers (n,I,m,s) may not be required to described an electron of an atom completely (D) All the quantum numbers (n,I,m,s) are required to describe an electron of an atom completely Ans : (D) Hints : Fact In borax the number of B–O–B links and B–OH bonds present are, respectively, (A) Five and four (B) Four and five (C) Three and four (D) Five and five Ans : (A) The important advantage(s) of Lintz and Donawitz (L.D.) process for the manufacture of steel is (are) (A) The process is very quick (B) Operating costs are low (C) Better quality steel is obtained (D) Scrap iron can be used Ans : (A, C, D)      For more questions here is an attachment you can download that. I think that this will helpful to you….. |