Acid rain is rain that has become acidic‚ because of air pollutants in the atmosphere. Rain has a normal pH level of around 5-5.5 which is only slightly acidic. 7 on the pH scale is the neutral and anything below that is considered acidic. Acid rain has a pH level around 4 which is 10 times more acidic. Acid rain can fall in many different ways and has many effects on the environment. Acid rain is caused by air pollutants in the atmosphere. These air pollutants are mainly from man made resources
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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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Nitric Acid Nitric acid is an acid many people have come across in life. One may have felt nitric acid when touching fertilizers‚ or using dyes. Nitric acid appears in substances we never thing it would be used in. In fact‚ small contents of nitric is acid is found in raindrops that fall from the sky. Nitric acid‚ or known as NHO3aq is an acid formed from reaction of ammonia and oxygen. Nitric acid is a colourless acid when it’s pure‚ or can be found yellow or red. This acid can be very corrosive
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UPS Automotive maintains high standards of safety‚ cleanliness‚ and professionalism in our shops. In order to facilitate these standards‚ every mechanic must comply with the following 40 Basic Shop Safety Rules: 1. Keep your work area clean and orderly. Neatly arrange equipment and material. Do not allow parts‚ metal‚ wires‚ scrap‚ or other material to accumulate on the shop floors or in work areas. Place drink cups‚ cans‚ bottles‚ paper‚ lunch scraps‚ etc.‚ in the proper containers. 2. Report
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Introduction to Acids Base chemistry Purpose How to determine the constant equilibrium of an acid‚ Ka? How to evaluate the concentration (M) of an acid? In “part A” experiment‚ we would test the PH of different concentration of acetic acid (a weak acid which partially dissociated in water) with a PH probe. After we got the PH‚ we could find out the concentration of H+ by applying the relationship pH = -log [H+]. Having the determined value of [H+] of a weak acid with a known molar concentration
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Let’s look back into the past as Bennet was discussing to help expand what is being said using youth subcultures from generations of the past. If you look back into the 40’s‚ 50’s there was never any true subculture in society it was how things were in the world and the generation of that time they weren’t like how millennials because of that time period. Whereas we jump into the 60’s is where subcultures really developed
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2 AY2011/12) Nucleic Acid Virtual Laboratories |Name | | |Matriculation number | | |A. DNA Extraction Virtual Lab [2 marks] | |Question 1 [1.0 mark]
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that the writing is poor with a lot of useless repetition and very elementary use of the language. Nevertheless it touches upon some of my favourite themes‚ which are female sexuality‚ power‚ and politics. Finding All Fifty Shades 50 Shades of Gray is the first amongst the trilogy of novels written by British writer‚ E. L. James. It is a story about a young literature student‚ Anastasia Steele‚ and her encounter with one of the richest bachelors‚ Christian Gray. Their encounter
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Punished by Acid Several people from the third world become a victim of an acid attack. The victim’s life has changed tremendously‚ which is what the photographer shows with his world-known pictures. On Ebrahim Noroozi’s photoseries you see a mom named Somayeh and her daughter‚ Rana and what acid has done to their faces. Now they most stay by themselves and take care of themselves. It is hard for me to understand some people will walk up to you to pour acid on you. Somayeh looked like an average
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1.) Explain why the following substances are added to soil by gardeners and farmers. a.) Lime CaO It increases the pH of soil.Soil that is too acidic presents two different problems for crops. First‚ the amount of necessary minerals in the soil such as potassium and calcium decreases. Second‚ aluminum and manganese levels increase to potentially toxic levels below a pH of roughly 5.5.Calcium oxide‚ addresses the problem. It reacts in water to release calcium ions and hydroxide ions‚ which raise
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