All Subject Solutions

                              Chapter = 5                       A President Speak                                      ( Dr. Abdul Kalam)  Q.  Who have come and invaded India in 3000 years of its history?  Ans. In 3000 years of India's history, people from all over the ner. From Alexander onwards, many nations have invaded our country. They included he Greeks, the Turks, the Moguls, the Portuguese, the British, the French and the Dutch. They all came and looted us. They took over what was ours.  Q. When, according to Kalam, did India get its first vision of freedom?  Ans. According to Kalam, India got its first vision of freedom in 1857 when the war of dependence was started. 'The British had ruled India for a long period. But now ...

                                  CHAPTER = 4                      LIBERTY AND DISCIPLINE Q. How does the author define liberty?  Ans. Liberty' is the freedom to think what we like, say what we like, work at what we like and go where we like. Liberty is the birthright of each and every person. But even then, it is not a personal affair. It is a compromise or social contract.  Q. What is discipline?  Ans. Discipline is restraint on liberty. It trains people to obey rules and orders and punishes them if they don't do. Discipline is very necessary in every field of society. It is only discipline that enables men to live in a society and yet retain individual liberty.  Q. Why should one keep to the left?  Ans. Keeping to the left while going on a road is the rule of the road. We should obey this rule of the road not on...

                                Chapter = 3                               OF STUDIES Q. What do studies serve for?  Ans. Studies serve for three purposes. They serve for delight, for ornament and f L Books give us joy in our leisure. 1hey enable a person to make his conversation polished beautiful. They make him capable of managing the practical affairs of daily life.  Q. What are the chief uses of studies?  Ans. Studies mould our character in a healthy manner. History makes us wise, as we learn lessons from past experiences. Poetry makes a person witty. The study of mathematics nakes us subtle. We can understand difficult or deep ideas. Science makes us profound. hilosophy makes us serious and sober. Rhetoric sharpens our ability to argue and discus.  Q. When do the studies become the humour of a scholar...

                                Chapter - 2                      The  Portrait Of A Lady Q. hose portrait hung above the mantelpiece in the drawing room?  Ans. It was the portrait of the authof's grandfather that hung above the mantelpiecein the drawing room. He wore a big turban and loose-fitting clothes. He had a long white beard. He looked at least a hundred years old.  Q. What, according to the author, was absurd and undignified on Grandmother's part?  Ans. Grandmother often described the games she used to play in her childhood. It seemed to the author absurd and undignified on her part. It was so because as a child the author could not imagine that his grandmother who was so old, could ever have been young and pretty.  Q. Why did she say her prayer in a monotonous singsong  Ans. Everyday when grandmother ...

                              Lesson=1                           GENDER BIAS   Q. What course was the author pursuing at the Indian Institute of Science, Bangalore ?  Ans. Sudha Murthy, the author of this chapter, was very bright at studies. She was pursuing her M.Tech. course at the Indian Institute of Science in Bangalore. At that time, this institute was known as the Tata Institute. She was the only girl in her postgraduate department. Q. Where did the author want to complete a doctorate in computer science?  Ans. The author was pursuing her M.Tech. course at the Indian Institute of Science in Bangalore. She was doing there her master's course in computer science. She also wanted to do doctorate in it. And she wanted to go abroad to complete her doctorate in computer Where did the author want to complete a docto...

  NCERT SOLUTION CHEMISTRY CLASS 11 UNIT- 1 Some Basic concepts of Chemistry . Topic Name 1. Importance of Chemistry 2. Nature of matter 3. Properties of Matter and their Measurement 4. Uncertainty in Measurement 5. Laws of Chemical combinations 6. Dalton s Atomic Theory 7. Atomic And Molecular Masses 8. Mole concept and Molar Masses 9. Percentage Composition 10. Stoichiometry and Stoichiometric Calculations      NCERT TEXTBOOK EXERCISES QUESTION SOLVED Q. Calculate the molecular mass of the following : 1. H2O 2. Co2 3. CH4 ANS. Molecular mass of H2O    = 2(1.008u) + (160.00u) =18.016 2. Molecular mass of co2  = 1 (12.01 u) +2(16.00u) =44.01u 3. Molecular mass of = 1 (12.01u) +4(1.008u) = 16.042u Q.  Calculate the mass percent of different elements present in sodium sulphate (Na,SO) .  Ans. =2xAt. mass of Na + At.mass of S+4x At. mass of o         = 2x 23.0 + 32 + 4x 16 = 142         Mass % of...