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
Free Chemical reaction Chlorine Alcohol
developments in the North and South between 1800-1860. How do you account for the divergence between the two sections? During 1880 to 1860‚ The United States of America went through social‚ political and economic changes‚ which affected the North and South in different ways. The economy of the South depended primarily on slaves. Its settlers had plantations of cotton‚ which was very profitable at that time‚ but they needed a cheap labour force to work their lands (slaves). Living in the South meant either
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major cities in the North. By 1860‚ the population stood at 23 million compared to the South’s nine million. By contrast‚ 80 percent of Southerners were employed in agriculture‚ compared to just 40 percent in the North. The South’s slave economy supported their agriculture. Towards the end of this period‚ only one-ninth of the United States’ industrial capacity was situated in the South. According to Towner (2011)‚ both
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In 1850 there was an equal amount of slave and free states in the Union. Before the Civil War‚ the U.S. was separated into three sections: North‚ South‚ and the West. The North was industrial and antislavery‚ with many factories and trading ports. The South was agricultural and proslavery‚ with many farms and plantations. The West was new and a place where you could look to start your life over. The North and South came to blows when it came to the issue of slavery‚ which caused the South to try
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By the early 1800s the United States was starting to separate into two sections‚ the Northern states vs. the Southern states of America. Although both sections had the same flag‚ spoke the same language‚ and had the same president‚ the two regions seemed to be two separate countries‚ each one having different views and political opinions. This mostly showed in the social and economic conditions. But‚ because they were the same country‚ they had some similarities. The economies of each region
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to a plethora of locations‚ most notably North and South America. These slaves would go on to form their own individualized communities within their bondage and shape the very countries that had enslaved them in the 18th and 19th centuries. Slaves in North and South America played similar roles but developed independently of each other and thus shaped their own individual social‚ economic‚ and political advances. African Slaves living in North and South America
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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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The book “Daily life in China On the eve of the Mongol Invasion 1250-1276” is a Chinese historical book that historians and readers will enjoy to read because it has information written about all aspects of life during 1250 in such a vivid way that it would not be insane to say that is possible to picture the stories and documents found within the book. This book mentions about a time when the population of China was only six million inhabitants compared to the 1.3 billion of today but was the riches
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Makrystea Carter Mrs. Morgan Pac Rim P.1 21 November 2011 North and South Korea CBA The Korean peninsula is divided into two separate countries‚ North and South. Looking at both countries you can see the differences. North Korea and South Korea may share the same land but have different outtakes on their economic views‚ political beliefs‚ and even social conditions. Before North and South Korea there was just the Korean Peninsula. Korea was ruled by many countries even Japan and China. While
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Compromise of 1850 The Compromise of 1850 was made in 1850‚ to help the problem of California being turned into a free or slave state. In order to please the North‚ it proposed California would be admitted as a free state and the slave trade would be abolished in Washington D.C. In order to please the South it proposed that Congress would not pass laws regarding slavery for the rest of the territories won from Mexico‚ and Congress would pass a stronger law to help slaveholders recapture runaway slaves
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