Search Your Paper

Sunday, November 29, 2015

S.B. Roll No……….
2nd Exam/Common/0451/5404/Dec’11

Duration : 2½ Hrs                                                                                   M. Marks: 75

1.     The temporary hardness of water due to calcium bicarbonates can be removed by:
(a)  Bleaching powder
(b) Sodium carbonate
(c)  Chlorine
(d) Potassium carbonate
2.     In hot soda lime process, temporary hardness of water can be removed by
(a)  Lime
(b) Magnesium hydroxide
(c)  Fine sand layer
(d) Coarse sand layer
3.     The process of removing extra common salt from water is called:
(a)  De-ionization
(b) Desalination
(c)  Disinfection
(d) Softening
4.     Coagulants help in setting of:
(a)  Colloidal particles only
(b) Fine suspended impurities
(c)  Suspended impurities only
(d) Both a and c
5.     A law which governs the effect of conc. On the rate of reaction is called
(a)  Dalton law
(b) Le-chatelier’s principle
(c)  Law of chem.. equilibriul
(d) Law of mass action
6.     Theory of ionization was give by:
(a)  Bohr
(b) Arrhenius
(c)  Rutherford
(d) Newton
7.     The conjugate acid of NH2­ is
(a)  NH3
(b) NH4
(c)  NH2OH
(d) N2H4
8.     Ionic product of water changes when
(a)  Anacid is added to water
(b) A base is added to water
(c)  Both acid and base are added to water
(d) Temp. is changed.
9.     A buffer mixture of ammonium chloride and ammonium hydroxide is diluted with water, its pH will
(a)  Increases
(b) Decreases
(c)  Remains the same
(d) Becomes 7
10.                     Buffer action of a buffer is due to:
(a)  Association
(b) Common ion effect
(c)  Dissociation
(d) Heat production
11.                     The indicator used in titration of strong acid and strong base is
(a)  Litmus
(b) Methyl orange
(c)  Phenolphathalein
(d) Methyl red
12.                     HCl is stronger acid than acetic acid because
(a)   It can neutralize large quantity of alkali
(b) It can corrode anything it comes in contact
(c)  It ionizes completely to ions in aqueous soln.
(d) None of these
13.                     Hydrolysis of sodium acetate will give:
(a)  Basic soln.
(b) Acidic soln.
(c)  Neutral soln.
(d) Normal soln.
14.                     Anaqueous soln, whose pH is O is:
(a)  Alkaline
(b) Acidic
(c)  Neutral
(d) Amphoteric
15.                     Strong electrolytes are those which:
(a)  Dissolve readily in water
(b) Conduct electricity
(c)  Dissociate into ions at high dilution.
16.                     The unit of electrochemical equivalent is:
(a)  Gram
(b) Gram/ampere
(c)  Gram/coulombs
(d) Coulombs/gram
17.                     One faraday is equal to
(a)  9650 coulombs
(b) 39650 coulombs
(c)  29650 coulombs
(d) 96500coulombs
18.                     On elctrolys is of dil. H2SO4 soln. between platinum electrodes, this gas evolved at the anode is
(a) O2
(d) SO2
19. Which of the following battery is rechargeable?
(a) Dry cell
(b) Mercury cell
(c) Ni-Cd cell
(d) H2-O2 cell
20. In electrolytic refining metal to be purified is made as:
(a) Anode
(b) Cathode
(c) Neutral
(d) None
21. Reducing agent is a substance which can
(a) Accept electrons
(b) Accept protons
(c) Donate electrons
(d) donate protons
22. E.C.E is more for
(a) Hydrogen
(b) copper
(c) zinc
(d) silver
23.During electrolysis, all ions
(a) Move in the same direction
(b) Move towards oppositely charged electrode
(c) Remains stationary
(d) None of these
24. Electric current is the flow of
(a) Ions
(b) Atoms
(c) Electrons
(d) None of these
25. When aqueous sodium chloride is electro lysed, the products obtained at the cathode is
(a) Hydrogen
(b) Chlorine
(c) sodium metal
(d) oxygen
26.The reactions in which oxidation and reduction go side by side are called
(a) Oxidation reaction
(b) Reduction reaction
(c) Redox reaction
(d) Exothermic reaction
27. In the electroplating of metals, anode is made up of
(a) Pure metal
(b) Impure metal
(c) both a and b
(d) electrolyte
28. Tetravalency of carbon can be explained by
(a) Resonance
(b) Hybridization
(c) Inductive effect
(d) none of these
29.Graphite is used as electrodes because ‘it has the property of:
(a) Good conduction of electricity
(b) Bad conduction of electricity
(c) Metallic lustre
(d) None of these
30. The property of self  linking of carbon atoms is known as
(a) Catenation
(b) Polymerization
(c) Carbonization
(d) none of these
31. The common name of HCCOOH is:
(a) Formic acid
(b) Acetic acid
(c) Carbonic acid
(d) None of these
32. Hydrocarbons containing triple bonds are known are:
(a) Alkanes
(b) Alkenes
(c) alkynes
(d) None of these
33. Cyanides are also known as:
(a) Alkane nitriles
(b) Imines
(c) amines
(d) amides
34. The organic compound present in vinegar is:
(a) Ethanoic acid
(b) Propanoic acid
(c) Methanoic acid
(d) Butanoic acid
35. The aromatic smell of flowers is due to the presence of:
(a) Alcohols
(b) Acids
(c) Esters
(d) Amines
36. Which of the following is not one of the seven fundamental units?
(a) Kilogram
(b) Candela
(c) Mole
(d) Watt
37. I calorie ………………Joules
(b) 4.8
(c) 4.6
(d) 4.9
38. Freezing point of water at I atm pressure of Kelvin scale is
(a) 0 K
(b) 1 K
(c) -273 K
(d) +273K
39. Which of the following is not an element?
(a) Diamond
(b) Graphite
(c) Ozone
(d) Sand
40. Which of the following is a metalloid?
(a) Antimony
(b) Aluminum
(c) Copper
(d) Silver
41. Which was the maximum viscosity?
(a) Water
(b) Glycol
(c) Acetone
(d) Ethanol
42. The charge on a cation M is +2 and on anion A is -3. The compound formed has the formula
(a) MA2
(b) M2A3
(c) M3A2
(d) M2A
43. NaCl is a chemical formula of:
(a) Washing soda
(b) baking soda
(c) sugar
(d) common salt
44. Which of the following has the largest number of atoms?
(a) 0.5 g atom of C
(b) .5 g of C
(c) 0.25 mole of C
(d) 1 g of C
45. Mass of 0.40 moles of CO2 is
(a) 40g
(b) 44g
(c) 17.6g
(d) 12.6g
46. I a.m.u. is mass of:
(a) 1 atom of C
(b) 12 atoms of C
(c) 1/12th of C atom
(d) 6.022x1023 atoms of C
47. Mass of 0.1 mole of CaCO3 is
(a) 1g
(b) 10g
(c) 100g
(d) 1000g
48. Neutrons are present in all toms except
(a) He
(b) C
(c) H
(d) Ne
49.The designation of an orbital with n=4 and 1=3 is
(a) 4s
(b) 2P
(c) 4d
(d) 4f
50. The lightest particle among the following is
(a) Proton
(b) Neutron
(c) Electron
(d) atom of hydrogen
51. A pie bond is formed by the overlapping of
(a) S-s orbital
(b) s-p orbital
(c) p-p
(d) d-d orbital
52. Series of lines present in visible region of Hydrogen spectrum is
(a) Lyman
(b) Balmer
(c) Paschen
(d) Brackett
53. As we move away from nucleus, the energy of the shell
(a) Decreases
(b) increases
(c) remains the same
(b) neither decreases nor
54. Which of the following noble gases has lowest atomic number
(a) Ne
(b) He
(c) Kr
(d) Xe
55. The shape of 2s orbital is
(a) Dumbbell
(b) Tetrahedral
(c) Pyramidal
(d) Spherical
56. If the mass of an atom is 90 and number of neutrons is 50 its atomic number is
(a) 40
(b) 50
(c) 90
(d) 140
57.The quantum number representing shapes of the electron cloud is
(a) n
(b) I
(c) m
(d) s
58. The size of the nucleus of an atom is of the order of
(a) 10-8
(c) 10-4
59. The charge on the electron was found by
(a) J.J Thomsan
(b) Miliken
(c) Faraday
(d) Goldstein
60. Every period in the periodic table ends with
(a) An alkali metal
(b)a halogen
(c) an inert gas
(d) a trasition element
61. The number of elements present in the 3rd period is
(a) 6
(b) 18
(d) 8
62. The element with atomic number 26 will be found in the group
(a) 4
(b) 6
(d) 10
63. The total number of actinides in the periodic table are
(a) 12
(b) 13
64. The elements of group 16 in periodic table are known as
(a) Alkali metals
(b) Alkaline earths
(c) Chalcogens
(d) Halogens
65. Halogens belong to
(a) p-block
(b) s-block
(c) d-block
66. In the periodic table, the position of the element still uncertain is of
(a) He
(b) H
(c) Li
(d) C
67. The purest form of water obtained from natural sources is:
(a) Spring water
(b) Rainwater
(c) Sea water
(d) Lake water
68. Temporary hardness of water is due to presence of calcium and magnesium
(a) Chlorides
(b) Sulphates
(c) Bicarbonates
(d) Nitrates
69. The process of destroying the disease producing bacteria or micro-organisms from water is known is
(b) sedimentation
(c) coagulation
(d) disinfection
70. Permanent hardness is due to the presence of Ca and Mg as
(a) Carbonates only
(b) Bicarbonates only
(c) Chlorides only
(d) Chlorides and sulphates
71. Permanent hardness can be removed by adding
(a) CI2
(b) Na2CO3
(c) Bleaching powder
72. The chemical name of permutit is;
(a) Potassium zeolite
(b) sodium zeolite
(c) calcium zeolite
(d) Magnesium zeolite
73. Hardness can be estimated
(a) Clark’s method
(b) soap titration method
(c) EDTA method
(d) both b and c
74. On boiling water becomes free from:
(a) Permanent hardness
(b)Temporary hardness
(c) suspended hardness
(d) floating impurities
75. Exhausted permutit is regenerated by washing it with:
(a) NaCl
(b) NaOH
(c) HCl

(d) KOH 



Download All Type Papers Android App

Get it on Google Play


Powered by Blogger.

Welcome to North India Campus

Google+ Followers


1st & 2nd Semester BE 1st Semester B.Com 1st Semester BBA 1st Semester BCA (D) 1st Semester Bsc. IT (D) 1st Semester Bsc. IT 1 1ST Semester M.SC IT(D) 1st Semester M.Tech 1ST Semester MBA 1st Semester MCA 1st Semester MCA (D) 2nd Sem B.Com 2nd Sem BB 2nd Sem BBA 2nd Sem BCA 2nd Sem BCA (D) 2nd Sem BSC IT(D) 2nd Sem BSC(IT) 2nd Semester MBA A Foundation Course in Human Values and Professional Ethics Accounting and Financial Management Accounting and Financial Managementm ACCOUNTING FOR MANAGEMENT Adolescence and Family Education B.Ed (2012) Adolescence And Family Education B.Ed (Dec 2013) Adolescence And Family Education B.Ed (Dec 2014) ADVANCE SOFTWARE ENGINEERING Advanced Accounting 2 ADVANCED COMMUNICATION SYSTEMS ADVANCED MATHEMATICS FOR ENGINEERS Aligarh Muslim University Applied Physics 1 B.Ed (Dec 2008) B.Ed (Dec 2009) B.Ed (Dec 2011) B.Ed (Dec 2012) B.Ed (Dec 2013) B.Ed (Dec 2014) B.Ed (June 2008) B.Ed (June 2009) B.Ed (June 2015) BA 1 Syllabus Bachelor in Science Fashion and Technology Basic Accounting Basic Chemistry Basic Electrical Engineering Basic Electronics Basic Mathematics BSC 1 Basoc Accounting BBA 1 BBA 2 BCA Question Papers BCA Syllabus 1 Bridge Course in Mathematics Bsc.IT Business Communication-1 Business Communication-2 Business Communication-I 2 Business Environment 2 Business Laws 1 Business Mathematics Business Organisation and Management Business Statistics 2 C C Programming C Programming Bsc IT 1 C Programming Lecture Videos CADM 1st Semester Communication 2 Communication and Soft Skills Communication Skills Communication Skills 1 Communicative English Computer and Education B.Ed (Dec 2011) Computer and Education B.Ed (Dec 2012) Computer Applications Computer Fundamental Computer Graphics Video Lecture Computer in Education B.Ed (Dec 2008) Computer in Education B.Ed (Dec 2009) Computer In Education B.Ed (Dec 2013) Computer in Education B.Ed (Dec 2014) Computer Mathematical Foundation MCA D Computer Networks 1st Semester Computer Operating System Computer Organization and Assembly Language Computer System Architecture 2 Corporate Accounting Curriculum and Instruction B.Ed (Dec 2009) Curriculum and Instruction B.Ed (Dec 2011) Curriculum and Instruction B.Ed (Dec 2012) Curriculum and Instruction B.Ed (Dec 2013) Curriculum and Instruction B.Ed (Dec 2014) Curriculuman and Instruction B.Ed (Dec 2008) DATA COMMUNICATION NETWORK Data Structure 2 Data Structures 2 data structures 2 BCA D Data Structures Through C 2 Database Management with Microsoft Access Bsc IT 1 Delhi University News Desktop Publishing Tools 2 Digital Circuits and Logic Design 2 Digital Circuits and Logic Design 2 BCA D Digital Electronics 2 Digital Electronics Fundamentals 2 Distance Education B.Ed (Dec 2008) Distance Education B.Ed (Dec 2009) Distance Education B.Ed (Dec 2011) Distance Education B.Ed (Dec 2012) Distance Education B.Ed (Dec 2013) Distance Education B.Ed (Dec 2014) Dot Net Interview Questions & Answers. Education and Evaluation B.Ed (Dec 2009) Education and Society B.Ed (Dec 2008) Education and Society B.Ed (Dec 2009) Education and Society B.Ed (Dec 2011) Education and Society B.Ed (Dec 2012) Education and Society B.Ed (Dec 2013) Education and Society B.Ed (Dec 2014) Education Technology B.Ed (Dec 2009) Educational Evaluation B.Ed (Dec 2008) Educational Evaluation B.Ed (Dec 2011) Educational Evaluation B.Ed (Dec 2012) Educational Evaluation B.Ed (Dec 2013) Educational Evaluation B.Ed (Dec 2014) Educational Technology B.Ed (Dec 2008) Educational Technology B.Ed (Dec 2011) Educational Technology B.Ed (Dec 2012) Educational Technology B.Ed (Dec 2013) ELECTRONICS SYSTEM DESIGN Engineering Drawing and Graphics Engineering Mathematics Engineering Question Paper set 1 Engineering Syllabus English and Communication Skills English and Communication Skills 2 Environmental Science 2 Finaicial Accounting Financial Accounting Financial Management 2 Sem Fundamentals of Information Technology Bsc 1 Guidance and Counseling B.Ed (Dec 2008) Guidance and counseling B.Ed (Dec 2009) Guidance and Counseling B.Ed (Dec 2011) Guidance and Counseling B.Ed (Dec 2012) Guidance and Counseling B.Ed (Dec 2013) HIV and Aids Education B.Ed (Dec 2011) HIV and Aids Education B.Ed (Dec 2012) HIV and Aids Education B.Ed (Dec 2013) Hotel Management and Air Lines Syllabus HP University News Human Resource Management Human Resource Management 2 Information Management Information Technology for Management Intoduction to microprocessor 2 BCA D Introduction of Computers BBA1 Introduction to Computers 2 Introduction to I.T MCA D Introduction to Information Technology Introduction to Information Technology(BCA) Kurukshetra University News Lecture 20 Clipping -- Lines And Polygons Macro Economics 2 Management Syllabus Managerial Economics Marketing Management 2 Master Of Technology M-Tech Syllabus MBA Papers MCA Notes MCA Question Papers Mercantile Law 2 Metal Cutting Question Paper Metal Forming Question Paper Micro Economics Network Security NEURAL NETWORKS & FUZZY LOGIC Object Oriented Programming in C++ Object Oriented Programming in Cpp OOP CPP 2 Operating system (BCA) Operating System Bsc IT 1 Organisational Behaviour Organization Behaviour 2 Other Universities Others Panjab University News PCM 2 BCA D PGDCA Pharmacy Syllabus Principles and Practices of Management principles of management 2 Production and Operations Management 2 Programming in C Programming in C MCA D Programming Logic Development with C Psychology of Learning and Development B.Ed (Dec 2013) Psychology of Learning and Development B.Ed (Dec 2008) Psychology of Learning and Development B.Ed (Dec 2009) Psychology of Learning and Development B.Ed (Dec 2011) Psychology of Learning and Development B.Ed (Dec 2012) PTU Affiliated Colleges of Integerated College PTU Affiliated Colleges of Management College PTU Affiliated Colleges of Architecture PTU Affiliated Colleges of Engineering PTU Affiliated Colleges of Pharmacy College PTU Forms Download PTU News and Events Quantitative Techniques RDBMS 2 RDBMS-I 2 Relational Database Management System Research Methodology 2 SAD 2 BCA D Syllabus of Computer Applications Syllabus of Journalism and Mass Communication Syllabus of Medical Laboratory Science System Analysis and Design System Analysis and Design 2 System Analysis and Design MCA D Teacher and School B.Ed (Dec 2008) Teacher and School B.Ed (Dec 2009) Teacher and School B.Ed (Dec 2011) Teacher and School B.Ed (Dec 2012) Teacher and School B.Ed (Dec 2013) Teacher of English B.Ed (Dec 2009) Teaching of English B.Ed (Dec 2008) Teaching of English B.Ed (Dec 2011) Teaching of English B.Ed (Dec 2012) Teaching of English B.Ed (Dec 2013) Teaching of Mathematics B.Ed (Dec 2009) Teaching of Mathematics B.Ed (Dec 2011) Teaching of Mathematics B.Ed (Dec 2012) Teaching of Mathematics B.Ed (Dec 2013) Teaching of Science B.Ed (Dec 2008) Teaching of Science B.Ed (Dec 2009) Teaching of Science B.Ed (Dec 2011) Teaching of Science B.Ed (Dec 2012) Teaching of Science B.Ed (Dec 2013) Teaching of Social Studies B.Ed (Dec 2008) Teaching of Social Studies B.Ed (Dec 2011) Teaching of Social Studies B.Ed (Dec 2012) Teaching of Social Studiess B.Ed (Dec 2013) Teaching of Social Study B.Ed (Dec 2009) Technical Communication UGC NET Computer Science Question Paper Uttarakhand Open University Video Lecture Web Technologies 1st Semester Web Technologies 2 Welding Technology Question Paper Workshop on IT and E-Commerce 2