SAMPLE QUESTION PAPER 2 READ INSTRUCTIONS CAREFULLY

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1 SAMPLE QUESTION PAPER READ INSTRUCTIONS CAREFULLY M. MARKS = 95 TIME: 0 Min.. Please mention your Name, Roll No. on the OMR Answer Sheet. Also please mention on right hand bottom of answer sheet about other Tutors of Maths, Physics, Bio. (If finalized). Question paper carries 0 questions.. Q. No. to 0 [ Marks each (Negative Marking (-) for wrong answer]. Q. No. to [ Marks each (More than One Answer) Negative Marking] Q. No. 4 to 6 [ Marks each (Negative Marking (-) for wrong answer]. Q. No. 7 to 9 (Integer Type) No Negative Marking Q. No. 0 (Matrix Match) - 8 Marks each (No Negative Marking) 4. Please Use B Pencil for darkening the appropriate answer. 6. Any student adopting unfair means or disturbing other students or creating nuisance in the hall will be disqualified. 7. Switch off your mobile while in the Examination all 8. No body should leave the all until all Answer sheets are collected. CEMISTRY. Which of the following Lewis structure is not correct? a. C b. O c. d. C C S. Which of the following is not a true statement. a. Metallic character increases from top to bottom in periodic table. b. Non-metallic character increases from left to right in periodic table. c. Basic strengths of oxide decreases from top to bottom. d. Basic strength of oxide increases from top to bottom.. The number of atoms of the constituent element in 70 gm N 4 O respectively are [At. No. of N = 4, O = 6, = ] N O N O a b c d CEMISTRY COACING CIRCLE

2 4. An element A on reacting with oxygen forms an oxide AO. This oxide on dissolving in water turns Red litmus to Blue. Which of the following is True for element A. a. Element A is a metal b. Oxide AO is Acidic c. Element A is a noble gas d. Element A is a non-metal 5. Which of the two sets of the chemical when reacted will produce CO gas. +I. C COO + Na II. Na CO + Cl III. C COO + NaCO IV. C COO + Na CO a. II, III & IV b. III & IV c. II & III d. I and IV 6. In the given test tube, the solid X when reacts with solution Y, reaction takes place. Then X and Y should be a. Y ZnSO 4, X Ag b. X = Ag; Y = CuSO 4 c. Y ZnSO 4, X Cu d. X Fe, Y CuSO 4 Y X 7. What will be the IUPAC name of following compounds C C C C C C C C C a. -methyl-4-ethylhexane b. -Ethyl-5-Methylhexane c. Isooctane d. 4-Ethyl--methylhexane 8. What will be the formula of Aluminium permangante if formula of Barium permanganate is Ba(MnO 4 ). a. AlMnO 4 b. Al (MnO 4 ) c. Al(MnO 4 ) d. Al (MnO 4 ) 9. Which of the following pair of compounds can not undergo addition reaction. a. C 8 & C 4 0 b. C 6 & C 4 c. C 6 & C 4 d. C 6 & C 0. X is a metal of valency. ence it will be in the same group as a. Ba b. Ga c. K d. B. A hydrocarbon of molecular mass 84 is a. An alkyne b. An alkene c. An alkane d. none. Which among the following reaction is not an oxidation Reduction reaction? a. O electric current + O b. Fe(s)+ 4 O(g) Fe O 4 (S) + (g) c. C + O CO d. AlCl + NaO Al(O) () + NaCl. Which of the following is a substitution reaction: a. C C +Cl Sunlight C C Cl + Cl b. C O 8CO + 0 O + eat c. C = C + Cl C C Cl Cl \ Cl d. C C Cl C C / Cl / \ Cl CEMISTRY COACING CIRCLE

3 4. The elements X, Y, A & B belong to,, 4, 7 group of periodic table. Which of the following compound will be most ionic: a. XY b. XA c. AB d. XB 5. The elements A, B, C and D have atomic numbers, 7, and 9 respectively. Give the chemical formulae of the compound formed by (A and D) & (B & C): a. AD ; BC b. AD ; BC c. AD ; BC d. None 6. In the reaction: I + 0NO IO + 4 O + 0NO Iodine is: a. oxidized b. reduced c. neither oxidized nor reduced d. neutralized 7. The element with the largest size in the third period is: a. lithium b. fluorine c. sodium d. oxygen 8. What is the percentage composition of each element in zinc phosphate Zn (PO 4 )? [Zn = 65.5, P =, O = 6.] Zn P O Zn P O a % 6.04%.% b. 6.04% 50.84%.% c. 6.04%.% 50.84% d..% 50.84% 6.04% Using the below table answer the following questions. (Q. No. 9 to 0) The following table shows the position of still elements A, B, C, D, E and F in the periodic table. to A B C G D E F 9. Which element is a non-metal with valency 4? a. B b. E c. F d. C 0. What is the formula of sulphate of D. a. D (SO 4 ) b. DSO 4 c. D SO 4 d. D (SO 4 ) MORE TAN ONE ANSWER (Q.No. to ). Which among the following statement is correct? a. Ethanoic acid gives a colourless and odourless gas with Na CO which turns lime water milky b. Ethanoic acid is soluble in water. c. On reaction with absolute alcohol, ethanoic acid gives a sweet smelling substance, which is used for making flavouring agents & perfumes d. It has smell of rotten eggs. CEMISTRY COACING CIRCLE

4 . A student dissolves some ferrous sulphate crystal in water and adds a few drops of conc. SO 4 to make the solution clear. owever, the solution so obtained is not of pale green colour. Instead it has pale brown colour. Which of the following statements are correct. a. The pale brown colour is due to the auto-oxidation of Fe + to Fe + by atmospheric oxygen b. The solution can be made pale green by boiling with a few iron filings. c. Fe + is more stable than Fe + d. Fe + is more stable than Fe +. Point out the correct statement: a. The electrode at which oxidation takes place is known as anode b. The electrode at which reduction takes place is called cathode c. The electrodes at which electrons are gained is called cathode d. The electrode at which electrons are lost is called cathode PYSICS 4. Circuit I: ammeter reads current i and voltmeter reads V Circuit II: ammeter reads current i and voltmeter reads V V V R V V R R R i A E I The relationship between the readings is i A R E II a. i > i ; V = V b. i < i ; V = V c. i > i ; V > V d. i > i ; V < V 5. Two lamps, one rated 00 W at 0 V and the other 60 W at 0 V are connected in parallel to a 0 V supply. What current is drawn from the supply line? a. 7.7 A b c A d. 0.4 A 6. Focal length of a convex lens is +5 cm. Its power is a. D b. + 4D c. D d. 4D CEMISTRY COACING CIRCLE

5 INTEGER TYPE (NO NEGATIVE MARKING) 7. ow many structural isomers are possible for molecular C ow many moles will be present in 980 gm SO 4 [At. Wt. of S = ; O = 6; = ] 9. What is p & RO of water at 5? MATRIX MATC (NO NEGATIVE MARKING) 0. Match the Column I with Column II. Column I (A) Cu + AgNO Cu(NO ) + Ag (B) Ag CO Ag + O + CO (C) Pb(NO ) PbO + NO + O Column II (p) Displacement reaction (q) Redox Reaction (r) Decomposition Reaction (D) + Cl Cl (s) Combination Reaction. B. C. B 4. A 5. A 6. D 7. D 8. C 9. A 0. D,B. B. D. A 4. D 5. B 6. A 7. C 8. A 9. B 0. B. A,B,C. A,B,C. A,B,C 4. B 5. C Sol. P = 00 W, V = 0 V Alternate solution P = V I P 00 I = V 0 I = R = P (I) I = V P = 60, V = 0 V P = V I 60 = 0 I 60 I = 0 R = SAMPLE PAPER ANSWER (KEY) 60 I = I + I = 0 = 0.77 A Resultant resistance in parallel R R R = = R = 60 V 0 60 I = = = 0.77 A R B 7. 5 C C C C C ; C exane C C C C C Methylpen tan e C C C C C C ; C C Methylpen tan e C C C C C C C C C C, -Dimethylbu tane A p, q; B q, r; C q, r; D q, s 5 CEMISTRY COACING CIRCLE