SALTS. AIM: In this experiment the aim was to get Copper Carbonate to react with Sulphuric Acid to get Copper Sulphate. EQUIPMENT USED: o 5 Grams of Carbon Carbonate o Weighing Boat‚ Spatula & Scales o 25 cm³ Sulphuric Acid o Beaker o Tripod and Gauze o Bunsen burner‚ Splint and Matches o Filter Funnel and Filter Paper o Conical Flask o Glass Dish RISK ASSESSMENT: o Sulphuric Acid – Corrosive o Safety Glasses and Lab Coats to be worn o Any Spillage‚ dilute with water and
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There are eight types of chemical reactions. These eight reactions are Decomposition‚ Composition‚ Acid/Base‚ Synthesis‚ Single-Replacement‚ Double-Replacement‚ Precipitation‚ and Redox. Though these eight could be referred to as the same due to them being chemical reactions. They are actually very different. An example of this difference is Decomposition and Synthesis. Decomposition is when a compound is broken into smaller chemical species while a Synthesis reaction is two or more chemical species
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E XPE RIME NT 4 . 5 Reactions of acids Aim To investigate and compare some reactions of a strong acid‚ hydrochloric acid‚ and a weak acid‚ ethanoic acid (common name‚ acetic acid) Equipment Dropper bottles containing: • 0.1 M hydrochloric acid‚ HCl • 0.1 M ethanoic acid (acetic acid)‚ CH3COOH • 0.1 M sodium hydroxide‚ NaOH • 1 M hydrochloric acid‚ HCl • 1 M ethanoic acid (acetic acid)‚ CH3COOH • universal indicator solution • limewater (calcium hydroxide‚ Ca(OH)2) Marble chips (calcium carbonate
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PROJECT OF CHEMISTRY STUDY OF ADULTERANTS IN FOOD-STUFFS Index Certificate 3 Acknowledgement 4 Food adulteration 5 Infections due to adulteration 7 Experiment-1 9 Experiment-2 10 Experiment-3 11 Bibliography 13 Certificate of Authenticity This is to certify that a student of class 12th has successfully completed the research project on the topic “Study of adulterants in food-stuffs” under the guidance of This project is absolutely genuine and does not indulge in plagiarism of
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2-dimethylpropane iii. 2-methylbutane a) How will you synthesize methane from acetic acid? b) A hydrocarbon C4H10 (A) on monochlorination gives a compound C4H9C1 (B). Compound (B) on treatment with sodium metal gives 2‚2 ‚3‚3- tetramethylbutane. What are the structural formulas of (A) and (B)? 8. a) A hydrocarbon of formula C6H12 decolorises bromine solution‚ dissolves in concentrated sulphuric acid‚ yields 2-methylpentane on hydrogenation and on ozonolysis gives formaldehyde and 3-
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Beryllium and magnesium These are just like the reactions with dilute hydrochloric acid‚ and you have probably been familiar with the reaction between magnesium and dilute sulphuric acid almost since you started doing chemistry. Bubbles of hydrogen are formed‚ together with colourless solutions of beryllium or magnesium sulphate. For example: Calcium‚ strontium and barium Calcium sulphate is sparingly soluble‚ and you can think of strontium and barium sulphates as being insoluble
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|Page | |(A) Sulphuric acid | | |Manufacture of sulphuric acid |1 – 3 | |Properties of sulphuric acid |4 | |The uses of sulphuric acid
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green gas. (i) Apply damp blue litmus. (Can use red litmus and just see bleaching effect.) (ii) A drop silver nitrate on the end of a glass rod into the gas. (i) litmus turns red and then is bleached white. (ii) White precipitate. (i) Non-metal‚ is acid in aqueous solution and a powerful oxidising agent (ii) It forms a small amount of chloride ion in water‚ so gives a positive result for the chloride test. Bromine Br2 (l or aq) A dark red liquid - orange-brown fumes‚ yellow-orange aqueous solution
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IGSCE Chemistry Notes Oxides Oxides are used to determine whether an element is a metal or a non-metal. Most non-metals are classed as acidic oxides. While most metals are classed as basicoxides. Acidic Oxides * Reacts with water to form acids * Neutralises alkaline solution to form salt + water Basic Oxides * Neutralises acidic solutions to form salt + water Amphoeteric Oxides * These are non-metals which display both acidic and basic properties Alkaline Oxides * Reacts
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Cuprammonium Rayon threads from Filter Paper AAKASH NARAYAN XII-B DON BOSCO SCHOOL i.n.d.e.x 1. Objective 2. Certificate 3. Acknowledgement 4. Apparatus 5. Chemicals 6. Summary 7. Introduction 8. Procedure 9. Precautions 10. Bibliography o.b.j.e.c.t.i.v.e To make Cuprammonium Rayon Threads From Filter Paper c.e.r.t.i.f.i.c.a.t.e This is
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