SET | SLET Chemical Science Question Paper Free Download Model Papers II and III.
STATE ELIGIBILITY TEST (SET | SLET) Exam 2023 for JRF SET | SLET Chemical Science Question Paper Free Download Model Papers II and III Maharashtra & Goa SET | SLET, Tamil Nadu SET | SLET Madhya Pradesh SET | SLET, Andhra Pradesh SET | SLET, Himachal Pradesh SET | SLET, Jammu & Kashmir SET | SLET Question Paper Previous Model Paper with answers solution , Rajasthan SET | SLET, West Bengal SET | SLET, NE-SLET (Which includes all North Eastern states and Sikkim) Karnataka SET | SLET Question Paper 2023 Books Question Paper Previous Model Paper II and III SET | SLET Chemical Science Question Paper Free Download Model Papers II and III
CHEMICAL SCIENCES
Paper – II
1. The number 1 1 1 in binary representation means the number in decimal system
(A) 4 (B) 5
(C) 6 (Dl 7.
2. Which of the following is not an operating system ?
(A) BASIC (B) UNIX
(C) LINUX (D) MAC.
3. The acronym ‘ROM’ stands for
(A) Read Only Memory (B) Role Of Memory
(C) Rough Organisation Memory (D) Random Orientation Memory.
4. Which of the following is never an output device ?
(A) USB Port
(C) DVD
(B) Printer
(D) Keyboard.
CHEMICAL SCIENCES
Paper – I11
SECTION – I
1. Answer either (a) or (b) or (c) or (d) :
(a) Discuss the major differences between valence bond and molecular orbital theories with special reference to H , molecule.
(b) R 3B can act as a Lewis acid to initiate a reaction with CO or CN – acting as a Lewis base. Use this concept for synthesis of (i) RCH , OH, (ii) R ,COH and
(iii) R ,C = 0. Indicate the steps with proper reaction conditions and mechanisms where deemed important.
(c) Outline the quantitative methods of analysis of the following :
(i) SO , in air
(ii) Phenol in industrial waste
(iii) Fluoride in ground water
(iv) Mercury in river soil.
Write down chemical equations where possible.
(d) Discuss the mechanism of biological nitrogen fixation, mentioning the necessary requirements for the process and explaining the functioning of the enzyme involved and the roles of the metal ion($ therein.