plus one chemistry model question paper

19 Hse I 2^ A.LKroeber Sociology 6. Nuclear-two generation 1. a. politics 8" 1. Outgroup _ Sumrner b. Psychology 2. Secondary -Cooley c. Economics 3. Nonmanbership _ Merton d. Ftristory 4. Positive -Newcomb 3. a. Custom 5. Unorganised _ Nimkoff b. Sociolog, 10' a-SociologY o. Engineedng b. Wealth d. Kroaber c. Accountancy 7 " b, d, e, f X2. a. polygyny g" Material b. Polyandry Dress,Tools,Machines c. Hlpergamy/anuloma Building,Vehicles d" Monogamy 11. 1. Nuclear, Joint e. Endogamy 2. Patriarchy,Matriarchy 18. a-KSU, SFI etc.. 3' Conjugal, Consanjuneous b. NSS, SNDP etc.. 13. a. Secondary c. L|NO, NAM etc.. b" Tertiary c. Primary d. Secondary e. Tbtiary Hse II Sociology 1. a. Rakshasa, paishacha b. Gandharva 2" Primary -Brother, Mother, Sister, Son Seeondary -Uncle, grandfather Father sisters,Aunt Tertiary -Brotherinlaws wife Wife's sisters son 3" a -amitate b -Technonymy c -Avoidence 4. Marfilocal 5. illom 8. Asia -Orange krdia-Dharavi7 HSB 1 CTMMISTRY i. (c) 1"29. 3 a) 4. CuH,, 5. (a) opretimonp e3ra.t u(rbe)d ie peelencdtraonnce. (b)H, (C) I6.67mol 7 (b) ).:hr/mv,deBroglierelation g" (a)n O)n (c)m (d) I 10. (a)hydrogenbofl"t'^(b)NH3lp-bp,NHo* only bp-bp (c) co, islinearbutSorisbent. 12" (a)Boyle'slaw "(c)vl2 13. (alresonance. 14 (a) vanderwall,seqn 17 " -84.5 kJ mol-' 18 (b) f . increases 2. decreases 3.increases. 4.increases (c) ice & water are at equilibrium. 19 (a)negative (b)option 1" 2t (a) T & p intensive HSE II CHEMISTRY i x ' Comparison ofboth laws gives same conclusion that p ofthe volatile component of solution is directlyproportional to its mole fraction.The only difference is proportionality constant.Hence, if both constants are eqal, both expressions become identical. 2" Negative deviation 3. a) Reverse osmosis/desalination. B)From sea water container to f,resh water. c)Cellulose acetate.d)To remove salts from sea water. 4. zr :Wu R.Ti N4B"V { N,{8 342,V :1,n:4.82 atm,T:293,R:0.0821. Hencewu 6g.529. weightoisolvent:wtofsoi._wt of solute, 1 01 5-68.52 : 946.48g Molality : wu . I 000/MB.w ^, 68.52 * r 000 I 3 42* 9 46.4g:0.21 2 1 MOLAL f . iflA) Froth flotationprocess B) Depressant 10. f . impurities are more soluble in the molten state than the solid state. 2 ' the crude metal is freed from impurities by first converting it in to a suitable volatile compound by heating it with specific reagent at a lower temp. & then decomposing it at some higher temp. i 3 . Preparation of dichrom ate. 14. First order 1 5 a) chlorine with cold dilute alkali, Cl produces a mixture of chloride & h5.pochlorite but with hot conc. alkaii, it gives chloride &chlorate bleaching powder. b) reaction (1). in all others change from 0 oxidation state to positive or negative" c) phosgene, teargas,mustard gas. x8" b) coveringwithbisphenol sacrificialprotectionwithMg &zn. CoveringwithSn