Our entire universe is made up of matter which is constantly changing forms and evolving into other forms of energy. Chemistry is defined as the study or science of this ever changing matter. Or chemistry is essentially the study of materials and the development of new materials for the betterment of humanity. We use chemistry from the beginning of the day till its end‚ the toothpaste we use to brush our teeth is made of abrasives‚ fluoride‚ and detergents. It is a very simple fact that chemistry
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Paper Reference(s) 6663/01 Edexcel GCE Core Mathematics C1 Bronze Level B1 Time: 1 hour 30 minutes Materials required for examination Items included with question papers Mathematical Formulae (Green) Nil Candidates may use any calculator allowed by the regulations of the Joint Council for Qualifications. Calculators must not have the facility for symbolic algebra manipulation‚ differentiation and integration‚ or have retrievable
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Essay Our world is changing every day. New technological advances are making our lives much easier‚ but at the same time people are losing important values. We have a strong commitment to technological progress and this fact causes society to neglect other values such as education‚ family and protection of the environment. To begin with‚ technology has a bad influence on children’s education because they do not devote the necessary time to studying. Nowadays children find on the internet
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Chemistry In Our Daily Life Chemistry is a big part of your everyday life. You find chemistry in daily life in the foods you eat‚ the air you breathe‚ your soap‚ your emotions and literally every object you can see or touch. We live in a world of matter. From the food that sustains our lives to various objects that have built up our physical culture‚ everything is made up of matter. The human body itself is a mixture of matter of differing types. The humans who used materials obtained from nature
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CHEMISTRY IN OUR DAILY LIVES Chemistry In Everyday Life Chemistry in everyday life : Our entire universe is made up of matter which is constantly changing forms and evolving into other forms of energy. Chemistry is defined as the study or science of this ever changing matter. The other sciences which we study commonly like biology‚ physics and mathematics are all dependent on chemistry and are only specific studies under the elaborate subject of chemistry. Chemistry is also seen in biological
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The Role Of Chemistry To Our Society Chemistry plays a huge and important role in society‚ with relation to shelter and clothing. For example‚ chemists come up with new paints and epoxy sprays that protect shelters from the wear and tear inflicted by rain‚ wind‚ sun and pollution. These space age coatings and paints are designed to make properties look better‚ perform better and last longer. Thermal chemical compounds may protect rooftops and also help structures stay at the right temperature
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OCR gateway Core C1 revision notes Anything written in purple is for higher tier Exam tips are in red Fossil Fuels 3 types Coal (made from dead plants that lived millions of years ago) Crude oil (made from dead sea creatures that lived millions of years ago) Natural gas (made from dead sea creatures that lived millions of years ago) Key words to learn Non-renewable- fossil fuels are said to be this as we are using them up faster than they can be made Finite- these will run out if we
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early atmosphere - earth roughly 4 billion yrs old - created by volcanoes erupting + releasing gases - contained mostly co2 + water vapour - earth cooled + water vapour condensed to form oceans - co2 dissolved into oceans + used to form marine organism shells which were compacted to form sedimentary rock - plants evolved to photosynthesise‚ takingin co2 + releasing oxygen - scientists don’t kno where all nitrogen came from bc they weren’t there to record evidence but most theories suggest
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C1 ALIBABA.COM 1. Creating other successful portal in the future will be hard given that the lock-in effect makes the task difficult. Alibaba.com as an early entrant into the B2B portal market in China has built a strong advantage over its competitors; anyone who would want to challenge them will face some barriers to enter the market because as a starter‚ people will show preference for Alibaba.com‚ because of the experience‚ some people also develop loyalty or simply because they know the company
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| |Chemistry paper | | | | | | |Class: Ten |Roll No: |Subject: Chemistry | |Student’s
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