NDA Exam is a national level entrance exam, conducted by UPSC twice a year for recruitment in National Defence Academy and Indian Naval Academy. It is considered one of the toughest exams to crack but once a candidate clears it. One has to then perform in an Intelligence and Personality test conducted by Services Selection Board (SSB), which includes general aptitude, team skills, physical skills, social skills along with medical tests. It is a highly competitive exam but not to worry as we have got the best preparation tips for you. Candidates who are looking forward to giving NDA exam can fill the application forms online, which will be available from June 7 to June 30, 2017.
NDA exam is evaluated on a total score of 900 which comprises of two papers.
|No. of questions||120|
|Marking for every correct answer||2.5 marks|
|Negative marking for every Wrong answer||-0.85 marks|
|Test Duration||2.5 hours (150 minutes)|
|No. of Questions||150|
|No. of English Questions||50|
|Marking for every correct answer||4 marks|
|Negative marking for every wrong answer||-1.33|
|Duration||2.5 hours (150 minutes)|
In short, Chemistry deals with chemical bonds, properties, and change of matter. Even though it is not the easiest subject to study, it can still be one of the top scoring sections in NDA exam. Chemistry section falls under Part B of Paper II. It tests the general knowledge of a candidate in the field of chemistry.
According to a detailed analysis of NDA 2015 question paper by Resonance, Chemistry had 16 questions of 4 marks each, which combines to a total of 64 marks. Chemistry scored 1.19 on the difficulty scale. Out of which 13 questions were easy and 3 questions were of medium level. Nothing difficult, which concludes that it is one of the top scoring subjects.
|Topic Name||No of Questions||Total Marks||Overall % Weightage|
|Structure of Atom||3||12||18.75|
|Acid, Bases, Salts||3||12||18.75|
|Metals & Non Metals||3||12||18.75|
|Atoms & Molecules||2||8||12.5|
Now that you are familiar with the pattern and the structure of Chemistry section in NDA exam. It is important to know the detailed syllabus before starting your preparations.
We have carefully curated a table of the chemistry syllabus. Which Mentions the important topics from each unit.
|Atoms, Molecules & Chemical Arithmetic||Measurement in Chemistry, The law of chemical combination and Dalton's atoms theory|
|Elements, their occurrence and extraction||Earth as a source of Elements in Biology, Extraction of metals, Mineral Wealth of metals|
|The States of Matter||The solid State, Liquid state|
|Atomic Structures||Constituents of atom, Electronic structure of atoms, Dual nature of matter and radiation|
|Chemical Families||Periodic properties Mendeleev’s Periodic Table, Modern Periodic law, Types of Elements|
|Chemical Bonding and Molecular Structure||Chemical bonds and lewis structure shapes of molecules (VSEPR theory), Coordinate Covalent bond, Molecules|
|The solid state||Structure of Simple ionic compounds, Properties of solids|
|The gaseous state||Ideal gas equation, Kinetic Theory|
|Solutions||Types of solutions, Vapour- pressure of solutions and Raoult’s law, Colligative properties|
|Chemical energetics and thermodynamics||Energy changes during chemical reaction, Internal energy and enthalpy, Sources of energy, Second law of thermodynamics|
|Chemical equilibrium||Equilibria involving physical changes, Equilibria involving chemical systems, Equilibria involving ions|
|Redox Reactions and electrochemistry||Oxidation & Reduction as an electron transfer process, Redox Reaction in Aqueous solutions, Electrolytic conduction, Voltaic, Electrode|
|Transference of Heat||Rate of Reaction, Factors affecting rates of Reactions, Rate expression, Mechanism of Reaction|
|Chemistry of hydrocarbons||Alkenes, Stereo Isomerism and chirality, Alkynes, Arenes, Sources of Hydrocarbons, Laboratory preparations|
Now that you are aware of the syllabus, preparation will definitely be no big deal, if you follow some of our tips. Chemistry holds a total value of 60 marks in NDA 2017 exam and scoring good in the subject is not hard as it covers only the basics.For Chemistry, you should have basic knowledge of classifications of elements, compounds, and mixtures. Here are some preparation tips you d need for nailing the chemistry section.
Books play an important part in ones preparation, the better the book & the author, the easier it is for you to understand and learn. Here is a booklist we made for you to prepare chemistry for NDA.
|S no.||Book Name||Author/Publication|
|1||11th & 12th Chemistry Textbooks||NCERT|
|2||For HINDI - Adhyaywar-Khandwar Ganit| Angreji| Samanya Yogyata NDA/NA Vigat Varsho ke Prasan Vyakhayatmak||Hal Sahit PB|
|3||NDA & NA National Defence Academy and Naval Academy Entrance Examination: 10 Practice Sets (English) 1st Edition||Expert Publications|
|4||National Defence Academy & Naval Academy Examination Paperback||Jain & Gupta|
|5||NDA Chemistry Chapterwise summary||H.L walia|
We are sure that after reading these preparation tips one can easily focus on how to prepare chemistry section for NDA
*The article might have information for the previous academic years, please refer the official website of the exam.