Class 10 acids, bases and salts - khushali thacker
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That's Chemistry : ACIDS, BASES, AND SALTS What's in there? •Reaction of acids and bases with metals • Reaction of acids with metal carbonates & bicarbonates • Neutralisation reaction
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This document discusses acids, bases, and salts. It defines acids as substances that produce hydrogen ions (H+) in aqueous solution, making them sour and able to turn litmus red. Bases are defined as substances that produce hydroxide ions (OH-) in solution, making them soapy and able to turn litmus blue. Salts are formed by the reaction of acids and bases and can be acidic, basic, or neutral depending on the reactants. Common natural and synthetic acid-base indicators are also described. The document then discusses the properties and reactions of acids, bases, and salts and how pH is used to measure acidity. Finally, several industrial chemicals derived from sodium chloride (common salt) are summarized, including
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This presentation contains the important points for NCERT - Class 10 - Science - Chapter 2 - Acids, Bases and Salts
Chemistry class 10 chapter 2 acid,bases and salts
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2. The pH scale is introduced to measure acidity and alkalinity, and examples of strong and weak acids and bases are given.
3. Common acids, bases, and salts are described including their properties and reactions. Processes like neutralization, ionization, and the formation of soap as a salt are explained.
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This presentation contains the important points for NCERT - Class 10 - Science - Chapter 2 - Acids, Bases and Salts
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To join Class 10 Science for free, click on the following link
https://classroom.google.com/c/MTUyODc2NDg0Mjgw?cjc=rz3dcdi
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For any doubt and query you may contact us at
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The document discusses acids and bases, including their properties, examples of common acids and bases, and how strong vs. weak acids and bases are classified. Acids are sour, turn litmus red, and contain hydrogen ions. Bases are slippery, turn litmus blue, and contain hydroxide ions. Strong acids and bases have more hydrogen or hydroxide ions respectively and can be caustic.
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The document provides information about acids and bases, including:
1) Acids have a pH range from 0-7 and contain hydrogen ions, while bases have a pH range from 8-14 and contain hydroxide ions.
2) Acids turn litmus paper red and bases turn it blue, while neutral substances turn it green. Common household acids include vinegar and lemon juice, while bases include baking soda.
3) When an acid and base are mixed, a neutralization reaction occurs where they react together to form a salt and water, resulting in a neutral pH of 7.
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The document outlines the key topics and learning outcomes for a lesson on acids, bases and salts. The lesson will cover:
1) Finishing up structure and bonding questions from the previous class.
2) Introducing the topics of acids, bases and salts through definitions, physical and chemical properties, and reactions. This includes discussing the pH scale.
3) Explaining different methods for preparing soluble and insoluble salts, including precipitation and acid-base reactions.
The goal is for students to understand acid-base theory and be able to describe properties and reactions of acids, bases and salts, as well as methods for preparing various salt compounds.
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The document discusses acids, bases, and indicators. It provides examples of common natural and synthetic indicators and how they change color in acids versus bases. Acids are defined as substances that release hydrogen ions and have sour tastes, while bases release hydroxide ions and feel soapy. Examples are given of strong versus weak acids and how acids and bases react with metals, carbonates, each other, and other substances. Common uses of sulfuric, nitric, and hydrochloric acids in industry are also outlined.
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This document discusses the preparation and classification of salts. Salts are formed through the replacement of hydrogen ions in acids by metal ions or ammonium ions. There are two main methods for preparing salts - neutralization and precipitation. Neutralization involves reacting an acid with a metal, alkali, oxide or carbonate to form a soluble salt. Precipitation involves mixing two aqueous solutions of soluble salts to form an insoluble salt precipitate. The document provides examples of preparing various salts such as potassium chloride and lead chloride. It also discusses classifying salts as soluble or insoluble and purifying soluble salts through recrystallization.
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CHEMISTRY : ACIDS,BASES AND SALTS:
1.definition and characteristics of salts,
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This document provides information about acids and bases:
- Acids are substances that produce hydrogen ions in water and have properties like a sour taste and turning litmus paper red. Strong acids fully ionize in water while weak acids only partially ionize.
- Bases include metal oxides and hydroxides. Soluble bases are called alkalis. Bases react with acids to produce salt and water in a neutralization reaction.
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This document discusses acids, bases, and salts. It defines acids as substances that give H+ ions in water and have a sour taste, react with metals, and have a pH less than 7. Bases are defined as substances that give OH- ions in water, usually taste bitter, feel slippery, and have a pH greater than 7. Salts are formed when acids and bases react, combining H+ and OH- ions to form water. Common examples of acids include vinegar and cola, bases include drain cleaner and baking powder, and salts include table salt and toothpaste. The document provides characteristics, examples, and a brief activity to identify household substances as acids, bases or salts.
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The document discusses four methods for preparing salts: 1) Reacting a metal with an acid, 2) Reacting an insoluble base with an acid, 3) Neutralizing an alkali with an acid through titration, and 4) Precipitation. It then provides examples of soluble and insoluble compounds, and explains how to specifically prepare zinc sulfate by reacting zinc powder with sulfuric acid. The document asks to describe how to prepare several example salts using these methods.
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The document discusses acids, bases, and salts. It defines acids as substances that form hydrogen ions in water, such as hydrochloric acid, sulfuric acid, and nitric acid. Bases are defined as oxides and hydroxides of metals that react with acids to form salts and water. Common strong acids and their ions are listed, as well as common weak acids. The properties, naming, and formula writing of acids and bases are also covered.
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This document defines bases and alkalis and discusses their properties. Bases are substances that accept hydrogen ions, while alkalis are soluble bases that release hydroxide ions in water and have a pH greater than 7. Alkalis have a bitter taste, turn litmus paper blue, are caustic, and conduct electricity in solution. They can undergo neutralization reactions with acids and precipitation reactions with metal salts to form insoluble metal hydroxides.
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Acids and bases ppt notes
The document discusses acids and bases, including their properties, examples of common acids and bases, and how strong vs. weak acids and bases are classified. Acids are sour, turn litmus red, and contain hydrogen ions. Bases are slippery, turn litmus blue, and contain hydroxide ions. Strong acids and bases have more hydrogen or hydroxide ions respectively and can be caustic.
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The document discusses pH scales and the properties of acids and bases. It defines pH as a measure of hydrogen ion concentration and relates pH values to whether a substance is acidic or alkaline. It explains that strong acids and bases fully dissociate in water, producing more hydrogen or hydroxide ions and having higher concentrations of these ions compared to weak acids and bases that only partially dissociate. Common indicators are described that change color depending on whether a solution is acidic, alkaline or neutral. Examples of strong versus weak acids and bases are provided.
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The document defines acids as substances that dissociate in water to produce hydrogen ions, and describes some of their key properties, such as sour taste and turning litmus red. It also discusses important acids like hydrochloric acid and sulfuric acid, and their common uses. Similarly, bases are defined as substances that dissociate to produce hydroxide ions in water. Important bases and their uses are also outlined, along with definitions and examples of salts.
acids, bases and salts
This document defines acids, bases, and salts. It states that acids are sour, turn litmus red, and release H+ ions, while bases are bitter, soapy, turn litmus blue and release OH- ions. Salts are formed through neutralization reactions between acids and bases. It provides examples of common acids, bases, and salts. It also discusses acid-base indicators and their color changes. The document further details chemical properties of acids and bases, the pH scale, and provides additional information on salt.
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This document provides information on acids, bases, and salts. It defines acids as substances that produce hydrogen ions in water. Examples of strong acids that fully ionize include sulfuric acid and hydrochloric acid, while weak acids only partially ionize, such as ethanoic acid. Bases are metal oxides or hydroxides, and those that dissolve in water producing hydroxide ions are called alkalis like sodium hydroxide. The pH scale measures the hydrogen ion concentration in solutions from 0-14, with lower values being more acidic and higher more alkaline. Common indicators change color at specific pH values to show acidity or alkalinity.
types and properties of salts
1. Salt is the neutral product formed from the reaction of an acid and base.
2. There are several types of salt including table salt, kosher salt, sea salt, sel gris, fleur de sel, Hawaiian sea salt, and rock salt.
3. Salts can have various properties including different colors, tastes, odors, solubilities, and conductivity depending on their chemical composition.
Salts and their preparation power point
Salts are formed when hydrogen ions in acids are replaced by metal ions or ammonium ions. There are two main types of salts - normal salts that do not contain replaceable hydrogen and acidic salts that contain replaceable hydrogen. Insoluble salts are prepared through precipitation reactions by mixing solutions of reactants containing the ions of the insoluble salt. Soluble salts can be prepared through filtration and crystallization using excess insoluble reactants or through titration using exact quantities of reactants.
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Acids, bases and salts according to the syllabus of CAIE and IGCSE
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1. Metals react with oxygen to form metal oxides.
2. Metals react with acids to form salts and hydrogen gas or nitric oxide and water.
3. Metals react with cold water to form metal hydroxides and hydrogen gas, or with steam to form metal oxides and hydrogen gas.
4. Carbonates react with acids to form salts, water and carbon dioxide.
5. Alkalis react with acids to form salts and water.
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Chapter 8: Reactions in Aqueous Solution
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- 1. ACIDS , BASES AND SALTS
- 2. • Reaction of acids and bases with metals Acid + active metal → salt + hydrogen + heat 2HCl+Mg→MgCl2+H2 (↑) Base + metal → salt + hydrogen + heat 2NaOH+Zn→Na2ZnO2+H2 (↑) A more reactive metal displaces the less reactive metal from its base. 2Na+Mg (OH) 2→2NaOH+Mg
- 3. • Reaction of acids with metal carbonates & bicarbonates Acid + metal carbonate or bicarbonate → salt + water + carbon dioxide. 2HCl+CaCO3→CaCl2+H2O+CO2 H2SO4+Mg (HCO3)2→MgSO4+2H2O+2CO2
- 4. • Neutralisation reaction 1. Reaction of metal oxides and hydroxides with acids Metal oxides or metal hydroxides are basic in nature. Acid + base → salt + water + heat H2SO4+MgO→MgSO4+H2O 2HCl+Mg (OH) 2→MgCl2+2H2O
- 5. 2. Reaction of non-metal oxides with bases Non-metal oxides are acidic in nature Base + Non-metal oxide → salt + water + heat 2NaOH+CO2→Na2CO3+H2O