II PUC – CHEMISTRY (34) MODEL QUESTION PAPER - 1 Time: 3hours 15 minutes Maximum marks: 70 Instructions: 1. The question paper has four parts: A‚ B‚ C and D. All parts are compulsory. 2. Write balanced chemical equations and draw labeled diagrams wherever required. 3. Use log tables and the simple calculator if necessary. (Use of scientific calculators is not allowed) PART-A I. Answer ALL of the following. (Each question carries 1 mark) 10x1=10 (Answer each question in one word or
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bursts. The maximum reported depth reached by the species is 194 fathoms. It is capable of remaining submerged beneath the surface for 50 minutes‚ although 10 to 15 minutes is more typical. The life span of a blue whale is about 30 years. The calves measure 7 m at birth and weigh about 2 tons. By the time they are a year old‚ the youngsters measure 18 m. Blue whales comprised about 90 percent of the whaling industry’s total catch during the early part of this century. In 1931‚ more than 30‚000 of
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of the presence of a chemical called adenosine‚ in your brain. It binds to certain receptors and slows the nerve cell activity when sleep is signaled. 5. Anaerobic fermentation is also a great concept which is present in the chemistry of everyday life. It is present in yogurt‚ breads‚ cakes and many other baking products. It is the multiplication of certain useful bacteria which increase the size of the food and make it more filling and soft. 6. Soap is formed by molecules with a "head" which likes
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Social‚ economic‚ and political were three major values in Medieval Europe lives. The social aspect of life in Europe in Europe in the middle ages was based around the Catholic Church. The people of who followed Church‚ you had to follow it‚ were very religious on most of their lives. Document 3 stresses how important Catholic Church was‚ for example‚ “It touched everyone’s life… everyone in Europe was a Christian…From the moment of its baptism”. Everyone was attached to the Roman Catholic Church
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The many temptations of life bring people to act differently through personality changes. The characters in Sir Gawain the Green Knight change their personalities through temptation. Through the Christmas time‚ Bertilak‚ king of the castle‚ decides to go hunting. While he is hunting‚ his wife is hunting or seducing Gawain. Men tempted with sex by women often act with certain animalistic instincts; in Sir Gawain and the Green Knight by the Pearl Poet‚ the seduction scene leads Gawain to act upon his
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Arthur Miller and influence of his life Arthur Miller has been one of Americas best known play writers who emerged in the United States since World War II. He has been writing since the age of seventeen and bases his work on personal experiences while attacking political views. One of his best known works is The Death of a Salesman which is about a man named Willy Loman who tries to emerge in the business industry and present a better image of him in society. Another important play is The Crucible
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Physics IN OUR DAILY LIVES “Any sort of technology which we uses IN our daily life is related to Physics.” Physics is the science of matter and its motion‚ space-time and energy. Physics describes many forms of energy - such as kinetic energy‚ electrical energy‚ and mass; and the way energy can change from one form to another. Everything surrounding to us is made of matter and Physics explains matter as combinations of fundamental particles which are interacting through fundamental forces. It will
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fertile soil along the banks of the river because every year the river would flood leaving behind the “black soil”. The gods and goddess dominated their lifestyle. The Egyptians influenced other people’s way of life and influenced the way of the United States. In Egypt their daily life was revolved around the fertile soil along the banks of the Nile river and the Nile river itself. Every year the river flooded its banks leaving behind the fertile soil the people called “ the Black Land”.
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Science and My Daily life Brenda Durbin Kaplan University Science and I Science has and always will play a constant important role in my daily life‚ maybe more so than others. Science for me has not always been my strong subject in school and I very easily tend to get intimidated. But when I look at my daily life and realize how much science plays a role in it‚ I cannot help but smile. Science is not at all bad‚ it has
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Daily Life in the United States‚ 1920-1940 David E. Kyvig’s Daily Life in the United States‚ is a book covering twenty years of time during the great depression‚ while exploring how they spent their days and how they were affected by popular culture throughout six regions including Indiana‚ New Mexico‚ Iowa Georgia‚ Pennsylvania‚ and Illinois. David Kyvig’s book‚ is an excellent social history which examines how usual people reacted to the big changes during what we call “The Great Depression” and
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