Extracting NaCl from Rock Salt and assessing its purity Aim The aim of this experiment was to obtain a pure product from a solution through the processes o extraction‚ filtering and evaporation. Introduction Extraction is used when trying to separate or purify a product. For an extraction to be successful the substance used to make the solvent should readily dissolve. The substance used in this practical was rock salt. The liquid used should not react with the substance that needs extracting
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Bake the Right Way: Baking seems like a relatively easy task. After all‚ you only have to buy a box of cake mix‚ blend in some extra ingredients‚ put the batter in a pan and throw it in the oven for a couple minutes then‚ voilà; you have a cake‚ right? Wrong. Baking is not something to be done by just any mother making a treat for their child’s school bake sale. It is an exact science that if done wrong‚ could potentially produce a burnt‚ tasteless‚ ugly‚ disastrous excuse for a cake that is as
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In the third article “Australian State Bans Cosmetic Surgery For Teens”‚ written by Dan Childs. The text is pretty clear about its opinion on cosmetic surgery on teens. It wants to ban cosmetic surgery because teens are not able to make such a big decision‚ when there body is still changing. Further on there are also many risks that comes with these surgeries‚ for example death or a heart attack. There are also people who think that cosmetic surgery on teens shouldn’t be banned‚ because the government
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Effect of Temperature on Salt Diffusion Rates and it’s Relation to the Human Body Hypothesis: Ordinary table salt is known to dissolve easily in water. Dissolving or diffusion is the spreading of particles in another substance. This is seen when smoke from a chimney diffuses in the air around it‚ or when dropping coloring in water. When NaCl‚ sodium chloride‚ or otherwise known as ordinary table salt is combined with water the separate salt and water molecules will be attracted to each other
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Analogy: baking a cake Step 1: gather the ingredients such as water‚ flour‚ baking powder‚ sugar and chocolate icing. The ingredients represent each products that the cycle of photosynthesis need. Such as water – which is use in the light dependent reaction when the molecules splits and gives off oxygen. Step 2: Preheat the oven at 375 degrees and that symbolizes the energy coming from the sun. Step 3: mix the flour‚ baking powder and sugar together. The Analogy for sugar is the electron coming
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known as common salt. It is important because it is essential to the health of human beings and of animals. for domestic use it is fined down to what is known as table-salt‚ and small quantities of other chemicals are added to it to keep it free-flowing when in contact with the atmosphere. Salt and potassium are combined to produce iodised salt‚ used when iodine is lacking in diet. It’s absence cause goitre‚ the swelling of the thyroid gland. Livestock as well as humans need salt‚ and this provided
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Acid Base And Salt Acid Acids:- The word ‘Acid’ came from Latin word ‘Acidus or Acere’ which means sour. Sour taste is the most common characteristic of acid. Acid turns blue litmus paper red. There are many substances which contain acid and hence taste sour‚ such as curd‚ tamarind‚ lemon‚ etc. Types of Acids:- Acids are divided into two types on the basis of their occurrence – Natural acids and Mineral acids. Natural Acid:- Acids which are obtained from natural sources are called natural
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without business. Baking is a food cooking method that uses prolonged dry heat by convection‚ rather than thermal radiation‚ normally in an oven‚ but also on hot ashes‚ or a hot stones. The most common baked item is bread but many other types of food are baked. Heat is gradually transferred “from the surface of cakes‚ cookie and bread to their centre. As heat travels trough‚ it transform batters and dough’s into baked goods with a firm and dry crust and softer centre”. Baking can be combined with
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TABLE OF CONTENTS Title Page………………………………………………………………………1 Table of Contents………………………………………….........................2 Abstract………………………………………………………………………..3 Purpose………………………………………………………………………...4 Background Information………………………………………………...5-6 Hypothesis…………………………………………………………………….7 Materials……………………………………………………………………….8 Procedure……………………………………………….........................9-10 Data Collections/Results………………………………………………11-14 Analysis…………………………………………………………………...15-16 Discussion/Conclusion……………………………………………………
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Soda Tax: The Beginning of the End The government plans to tax sugary drinks to lower consumption and reduce obesity rates. It is a tax that is justified‚ because a high majority of its consumers are obese and our government believes they should step in and do something about it. There are positive aspects of a soda tax‚ but it would also be a violation of freedom of choice‚ with many other red flags as well. The government simply‚ has too much involvement with our personal lives. Placing a
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