Characteristics of Successful Tutors SCIENTIA EDUCATION

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Characteristics of Successful Tutors SCIENTIA EDUCATION

Chemical Reactions and Equations

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Chemical Reactions and Equations

CLASS: X NCERT (CBSE) CHEMISTRY: For Class 10 : Periodic Classification of Elements

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Summary Periodic Classification of Elements • The grouping of elements with similar properties together and the separation of elements with dissimilar properties is known as classification of elements. The table, which classifies elements on the basis of their properties, is called the periodic table. • The earliest classification was into metals and non-metals, which was on the basis of physical and chemical...

CLASS: X NCERT (CBSE) Chemistry: For Class 10 – Carbon and its Compounds

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Summary Carbon and its Compounds • Study of the compounds of carbon is organic chemistry. They form the basis of living organisms and the things around us. • An unique property of carbon is 'catenation'. It is the property of forming bonds with the atoms of the same element. The catenation property of carbon is the basis of organic chemistry. • Carbon is...

CLASS: X NCERT (CBSE) SCIENCE: Chemistry – Metals and Non-metals

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SUMMARY Metals and Non-metals • An electrolyte is a compound (salt, acid or base), which in solution or in a molten state conducts an electric current and is simultaneously decomposed by it • Electrolytes are ionised into electrically charged ions, which carry the current • Charged ions move towards the oppositely charged electrodes to give up their electric charge and become atoms; these...

CLASS: X NCERT (CBSE) SCIENCE: Chemistry- Acids, Bases and Salts

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Summary Acids, Bases and Salts 1. Acidic substances generate H+ ions in the medium, while basic ones liberate OH- ions in the medium. 2. Certain dyes are used as indicators to detect the presence of acids and bases. 3. Strength of an acid depends on the concentration of hydronium ions present in a solution. Greater the numbers of hydronium ions present, greater is...

Missile man of India passes away………..

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Avul Pakir Jainulabdeen Abdul Kalam India's 11th President APJ Abdul Kalam died on Monday evening at a hospital in Meghalaya, where he had gone to deliver a lecture. He was 83. Known as the Missile Man of India, Dr Kalam played a pivotal role in the Pokhran-II nuclear test in 1998. One of the most loved Presidents, he was also...

NCERT brings out learning indicators for classes I to VIII

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NCERT brings out learning indicators for classes I to VIII Learning indicators for languages — English, Urdu and Hindi — have been fine-tuned to include goals a child should be able to achieve in writing, reading, listening and speaking the languages. For the first time, the National Council of Educational Research & Training (NCERT) has come out with an exhaustive list...

pH of Common Chemicals

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pH of Common Chemicals: Acids & Bases List of the approximate pH of some common chemicals: pH of Common Acids 0 - Hydrochloric Acid (HCl) 1.0 - Battery Acid (H2SO4 sulfuric acid) 2.0 - Lemon Juice 2.2 - Vinegar 3.0 - Apples 4.0 - Wine and Beer 4.5 - Tomatoes 6.6 - Milk Neutral pH Chemicals 7.0 - Pure Water pH of Common Bases 7.4 - Human Blood 8.3 - Baking Soda (Sodium Bicarbonate) 10.5...

Engineering Quiz

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Engineering Quiz 1. What kind of bridge is the Golden Gate Bridge in San Francisco? 2. In electricity, voltage is measured in volts while current is measured in …….? 3. The Panama Canal joins which two oceans? 4. Is a mangonel a type of catapult or bridge? 5. The Hoover dam is on the border of which two U.S. states? 6. In what country is...