# Natural & Applied Sciences

### Study Materials in Natural & Applied Sciences

##### Trigonometry Course in Mathematics for the IIT-JEE and Other Engineering Exams

PART A: TRIGONOMETRIC FUNCTIONS AND IDENTITIES Lecture 1: Measurement of Angles Lecture 2: Trigonometric Functions Lecture 3: Quadrants Lecture 4: Trigonometric Functions of Compound Angles Lecture 5: Sum and Difference of Two Angles Lecture 6: Trigonometric Ratios of Multiple and Sub-Multiple Angles Lecture 7: Identities of Trigonometric Functions Lecture 8: Graphs of Trigonometric Functions PART B: TRIGONOMETRIC EQUATIONS AND INEQUALITIES Lecture 1: Trigonometric Equations PART C: PROPERTIE...

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##### MATH 101: ELEMENTARY SET THEORY AND ALGEBRA 16/17

1. Given that √5 = 2.236, evaluate 3 2√5 (a) 0.7608 (b) 0.6708 (c) 0.8076 (d) 0.7806 2. Simplify 4!4! 2!2!2! (a) 2! (b) 4! (c) 3 x 4! (d) 4 x 4! 3. Find the number of ways of arranging the word MATHEMATICS (a) 4989600 (b) 4898006 (c) 4889006 (d) 4889600 4. A committee consisting of 3 men and 5 women is selected from 5 men and 10 women, find how many ways the committee can be formed (a) 262 (b) 226 (c) 622 (d) 252 5. A school principal and his wife as well as three other teachers are to...

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##### CHM 171 FOUNDATION CHEMISTRY III 11-12 PAST QUESTION

1(a) Differentiate between the following (i) Fractional distillation and simple distillation (ii) Filtration and decantation (iii) Sublimation and evaporation (b) Given a mixture of sodium chloride, ammonium chloride and sand, explain how you will go about separating the mixture to obtain each component in the pure form

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##### CHM 171 FOUNDATION CHEMISTRY III 09-10 PAST QUESTION

1. In IUPAC nomenclature the parent chain is determined by the number of carbon atoms in_______ (a) a straight chain (b) the longest continous carbon atom (c) the side chain (d) the substituents 2. Cis-alkenes are obtained by hydrogenation of alkynes with _____ catalyst (a) hydration (b) Lindlar (c) Tollen's (d) Vicinal. 3. The following are examples of addition reactions of alkenes EXCEPT (a) hydration (b) hydrohalogenation (c) ozonolysis (d) hydrogenation 4. Addition of HBr to propene in th...

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##### CHM 121 FOUNDATION CHEMISTRY HANDOUT

Intrduction Atomic Theory of Matter Discovery of the Sub-Atomic Particles The Electron The Proton Rutherford Model of Atom The Neutron Atomic Number/ Mass Number/ Isotopes Emission Spectra The Bohr Atomic Model Atomic Spectrum of Hydrogen Quantum Theory of Atomic Orbitals Shapes of Orbitals Electronic Confiuration of Atom The Periodic Table Description of the Periodic Table What is Ionization Energy Electron Affinity Electronegativity Electrovalent (ionic) Bonding The Chemical Bonds Structure...

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##### CHM 121: FOUNDATION CHMISTRY I

INSTRUCTIONS: (a) Attempt all questions (b) Write the correct answers only (c) Constants: 1nm = 10-9m, h=6.625 x 10-34Js and c = 3 x 108m/s, R = 3.289 x 1015Hz (d) H = 1, C= 12, O= 16, Na = 23, N=14, Ca=40, Cl=35.5 1. Write a balanced equation for tetraoxosulphate (vi) acid and sodium hydroxide 2. 25cm3 of hydrochloric acid was titrated against 20cm3 of sodium hydroxide solution that contains 2.30g in 250cm3. Calculate the concentration of the acid in mole/dm3 3. Calculate (i) Concentration o...

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##### CHEM 121 MATERIAL 2

UNIT : 11 CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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##### BIO 103: GENERAL BIOLOGY III PAST QUESTION

TYPE B 1. There are .............. different types of tissues in Animal (a) two (b) three (c) four (d) five (e) six 2. These are the types of epithelia tissue except (a) columnar epithelium (b) stratified squamous epithelium (c) connective epithelium (d) transitional epitelium (e) simple cubodial epithelium 3. The outer protecting surface of the body and also ofall glands is called ......... (a) animal histology (b) connective tissue (c) epithelium (d) nervous (e) muscular 4. The epithelia th...

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##### BIO 101 LECTURE ONE-EIGHT

LECTURE ONE THE CELL Introduction Important Events in the Discovery of Cells Functions of the parts of a cell Types of Cell Comparison of Plant and Animal Cell LECTURE TWO MOVEMENT OF MATERIALS IN AND OUT OF THE CELL Osmosis Introduction Uses of Osmosis Osmosis and Food Preservation Diffusion Uses of Diffusion LECTURE THREE ECOLOGY Levels of Ecology Some Ecological Terms LECTURE FOUR INTRA AND INTER-RELATIONSHIPS BETWEEN ORGANISMS Interspecific Relationship Commensalism Parasitism Predation C...

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##### Mutagens

Meaning of mutagen Causes of mutagen Types of mutagen Effects of MUTAGEN

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##### CSC 319: COMPILER CONSTRUCTION PAST QUESTION

COMPILER CONSTRUCTION PAST QUESTION

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##### CSC 326: OPERATING SYSTEM II (2017/2018)

CSC 326: OPERATING SYSTEM II PAST QUESTION (2017/2018)

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##### CSC 339- System Analysis and Design Past Question (2017/2018 academic session)

The Department of Computer Science CSC 339 Past Question

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##### CSC 303- Object Oriented Programming II Past Question

1. The idea of worrying about high-level specifications without worrying about details is called_________ (a) abstruction (b) Inheritance (c) inheritance (c) polymorphism (d) overloading. 2. In ________ any program can call any other program (a) modular (b) object (c) procedural (d) component

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##### CSC 326- Operating System II (2013/2014 PAST QUESTION)

CSC 326- Operating System II COMPUTER SCIENCE 2013/2014 PAST QUESTION)

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