6. The major components in Gun Metal are: (a) Cu, Ni and Fe (b) Al, Cu,...

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6. The major components in "Gun Metal" are: (a) Cu, Ni and Fe (b) Al, Cu, Mg and Mn (c) Cu, Sn and Zn 7. 8. Which of the following ore is concentrated using group 1 cyanide salt (a) Calamine (b) Sphalerite (c) Siderite In Freundlich adsorption isotherm, slope of AB line is: B (d) Cu, Zn and Ni (d) Malachite 9. log E log P (a) with ( 1-0 to 1) (b) log n with (n> 1) n Match List with List II. List I (Monomer Unit) (a) Caprolactum (b) 2-Chloro-1, 3-butadiene (c) Isoprene (d) Acrylonitrile (c) log-with(n <1) (d) n with (n, 0.1 to 0.5) n List II (Polymer) (i) Natural rubber (ii) Buna-N (iii) Nylon 6 (iv) Neoprene Choose the correct answer from the options given below: (a) (a) (iii), (b)(iv), (c)(i), (d) (ii) (c) (a) (ii), (b) (i), (c)(iv), (d) (iii) (b) (a)(iv), (b) (iii), (c) (ii), (d) (i) (d) (a) (i), (b)(ii), (c) (iii), (d) (iv) 10. (A) HOCI+ H2O2 H3O++ Cl + O2 (B) +HO+20H 2+2H2O+0 Choose the correct option. (a) H2O2 acts as oxidizing agent in equations (A) and (B) (b) H2O2 acts as oxidizing and reducing agent respectively in equations (A) and (B) (c) H2O2 acts as reducing and oxidizing agent respectively in equations (A) and (B) (d) HO acts as reducing agent in equations (A) and (B) 6. The major components in "Gun Metal" are: (a) Cu, Ni and Fe (b) Al, Cu, Mg and Mn (c) Cu, Sn and Zn 7. 8. Which of the following ore is concentrated using group 1 cyanide salt (a) Calamine (b) Sphalerite (c) Siderite In Freundlich adsorption isotherm, slope of AB line is: B (d) Cu, Zn and Ni (d) Malachite 9. log E log P (a) with ( 1-0 to 1) (b) log n with (n> 1) n Match List with List II. List I (Monomer Unit) (a) Caprolactum (b) 2-Chloro-1, 3-butadiene (c) Isoprene (d) Acrylonitrile (c) log-with(n <1) (d) n with (n, 0.1 to 0.5) n List II (Polymer) (i) Natural rubber (ii) Buna-N (iii) Nylon 6 (iv) Neoprene Choose the correct answer from the options given below: (a) (a) (iii), (b)(iv), (c)(i), (d) (ii) (c) (a) (ii), (b) (i), (c)(iv), (d) (iii) (b) (a)(iv), (b) (iii), (c) (ii), (d) (i) (d) (a) (i), (b)(ii), (c) (iii), (d) (iv) 10. (A) HOCI+ H2O2 H3O++ Cl + O2 (B) +HO+20H 2+2H2O+0 Choose the correct option. (a) H2O2 acts as oxidizing agent in equations (A) and (B) (b) H2O2 acts as oxidizing and reducing agent respectively in equations (A) and (B) (c) H2O2 acts as reducing and oxidizing agent respectively in equations (A) and (B) (d) HO acts as reducing agent in equations (A) and (B)